SPARKS Magazine Autumn Issue 2018 by SNG Publishing

AUTUMN 2018

T HE O NLY MAG A ZI NE FOR APPRE N T I CE E LEC T RI CIAN S

INSIDE... INTRODUCING KAHOOT! EXCLUSIVE COMPETITIONS PRACTICE EXERCISES

The Way to Connect! EASY

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Welcome to the all-new SPARKS Magazine and let me tell you, we have gone to town on everything SPARKS since our last issue. We have travelled to the land of creativity and re-emerged with a new look, a new logo and a new website.

hew, it’s been a busy few months, that’s for sure! We’re so excited for you to see all of our hard work and look forward to accompanying you throughout your studies.

New to the electrical industry and never seen us before? Just about to start your course? Then let me introduce you to SPARKS Magazine, the only magazine made specifically for electrical students and apprentices. Our aim is to be your classroom companion, giving you a break from your textbook and keeping it all relevant to you and where you’re at as you embark on your career in the electrical industry. If you haven’t yet visited our new website then what are you waiting for? It will definitely be worth your while as our Digital Editor Tom Tracey is our website wizard, updating our new-look website with quizzes, competitions, videos, the latest news and much more. Make sure you’re in the loop by following us on our social media platforms too! The 2019 SPARKS UK Electrical Apprentice of the Year Competition will be open for entries very soon so keep your eyes peeled. So here’s to a great academic year – we hope it’s the best one yet. As ever, if you have any enquiries or ideas that you would like us to know about, feel free to get in touch…we’re a sociable bunch!

Editor

EDITOR: BECKY MARTIN editor@sng-publishing.co.uk DIGITAL EDITOR: TOM TRACEY tom.tracey@sng-publishing.co.uk GRAPHIC DESIGNER: LEE OWEN design@sng-publishing.co.uk TECHNICAL CONTRIBUTOR: Mike Davies ADVERTISING: PATRICK BLORE & ZOË TANNER sales@sng-publishing.co.uk PUBLISHER: CELIA MATTHEWS celia.matthews@sng-publishing.co.uk PRINTERS Stephens & George, England

DISCLAIMER SPARKS Magazine is published by SNG Publishing Ltd (SNG). All content and artwork is © SNG Publishing Ltd or its contributors and SNG is a trade mark of SNG Publishing Ltd. No part of SPARKS Magazine may be copied, transmitted or published in any form or by any means without prior permission. Although SNG has made every effort to ensure the accuracy of this publication, it does not verify any claims or other information appearing in the advertisements contained in SPARKS Magazine. It therefore cannot accept any responsibility whatsoever for consequences that may arise from the content or artwork contained in SPARKS Magazine, including any errors or omissions or any opinions or advice given therein. This publication and its content is not a substitute for professional advice on a particular matter. Advertisements are accepted for publication in HIP Magazine only upon SNG Publishing Ltd standard terms of advertising.

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GENERAL ENQUIRIES To subscribe to SPARKS Magazine call 0870 774 3049 or subscribe online at www.sparks-magazine.co.uk

www.linkedin.com/company/ sparksmagazine/ © SNG Publishing Ltd, 2018

CONTENTS FEATURES

Editor’s Note

News and Digital Corner

Interview – James English, 3M

Would You Rather…

Introducing Kahoot!

Things They Don’t Teach You In Class

The Ideal Student

Cable Management Systems - SWA

Prove Your Skills With The ECS Card - JIB

Obstacles On The Path To Digitalisation - ECA

Tools and Test Instruments - Wiha

Electrical Engineering Apprenticeships –

Boddingtons Electrical

Tools and Test Instruments - Bahco

Tools and Test Instruments - Megger

Tools and Test Instruments - Testo

Lighting - Luceco

Lighting – Saxby Lighting

Lighting – B.E.G.

Lighting – Types of Light Sensors with

Saxby Lighting

The SPARKS UK Electrical Apprentice

of the Year 2019 Competition

40 App-rentice

SPARKS I AU TU MN 2 0 1 8 I C ON T EN T S

Time To Adapt - Metrel

Hall of Shame

Tea Break Time

Product Showcase

16 COMPETITIONS

Bahco Competition

Schneider Electric Competition

EXERCISES 44

Cable Selection

Wiring Containment Systems 1

Steel Containment Systems

Hand Tools / Files

Wiring Containment Systems 2

C O N T EN T S I AU TU MN 2018 I SPA RKS

INDUSTRY NEWS READ THE FULL STORY IN THE NEWS SECTION OF

SPARKS-MAGAZINE.CO.UK ECS HITS 10,000 MILESTONE ECS is celebrating a milestone after its Registered Electrician initiative reached 10,000 cardholders. The JIB-established initiative recognises those who are not only working at the industry-recognised Level 3 status, but also have the current edition of the Wiring Regulations. It was launched in October last year. WWW.REGISTEREDELECTRICIAN.UK

R E N R O C L A G IT BY

TAL ED I G I D , Y E TOM TRAC

ITOR

Hopefully you’ve come across our awesome new website. We’ve completely revamped our old site, bringing over the best bits and giving them a new look, as well as adding tons of great new features. We have a regular blog, allowing those within the industry to give their opinions on topical subjects. But what we are most excited about is our new Kahoot! section of the site. These quizzes can be practiced on your own or played against others in class and hopefully bring a bit of fun and competition to learning. If there are any topics you’d like covered on Kahoot!, let us know and we will see if we can get some quizzes on the site. We also have some great videos on our site, including how-to videos from YouTube extraordinaire GSH Electrical. There are some great characters in the electrical community, which is great to be a part of. We have some great features on our website which are well worth a read, including popular YouTubers The cjrshop, SparkyNinja and Dans the Engineer. If you have a spare five minutes have a read of their stories and advice for apprentices. We are active on social media and would love to hear your thoughts.

CH!

U SO GET IN TO

KNIPEX REDUCES CABLE STRIPPING STRESS KNIPEX has launched its new Dismantling Tool – designed to make cable stripping easier. The tool is ideal for dismantling round cable sheaths made of PVC, rubber, silicone or PTFE from 19mm to 40mm in diameter. It has a self-tightening holding lever and a knurled nut to easily adjust cutting depth so it can effortlessly strip the outer sheath without touching the inner core.

FEIN LAUNCHES NEW AFFORDABLE RANGE FEIN UK has launched its new Best of E-Cut pack – offering its premium quality Starlock range at affordable prices.

WWW.KNIPEX.COM

NEW ONLINE NETWORK FOR FEMALE ELECTRICIANS A new online network has been launched which is aimed at helping women working ‘on the tools’ in the electrical industry to connect and share views and advice. Open Circuit has been established as a forum for discussion by the charity Women on the Tools, in partnership with industry bodies the Joint Industry Board (JIB), Certsure and ECA. Any working or training female electrician is eligible to join the group, which is on Facebook.

The company says it has listened to requests from their customers for assortments of accessories and is delighted to launch five value packs which are now available. The Best of E-Cut pack is FEIN UK’s first official value pack for its UK customers, offering six cutters that can be used commonly on typical applications faced by tradespeople.

HTTPS://FEIN.COM/EN_UK/ NEWS/PROMOTIONS/THEGREAT-BRITISH-VALUE-PACKRANGE-0792/

HTTP://WWW.FACEBOOK.COM/GROUPS/OPENCIRCUIT

SIGNIFY LIGHTS UP IRON MAIDEN TOUR Iconic heavy metal band Iron Maiden is packing arenas and wowing headbanging crowds with its spectacular Legacy of the Beast European tour. Helping to bring its richly-designed stage show to life is entertainment lighting from Signify. The company’s Philips Vari-Lite VL6000 beams provide both the heavyduty punch and the subtlety required by lighting designer Robert Coleman.

WWW.SIGNIFY.COM

N E W S I T E M S I AU TU MN 2018 I SPA RKS

BAHCO

COMPETITION TEN BAHCO VDE SCREWDRIVER SETS UP FOR GRABS… You could win a great set of Bahco VDE electricians’ screwdrivers in this issue’s competition.

Each set includes five high performance screwdrivers in different sizes, with slotted or Pozidriv™ tips, all insulated for safe use at 1,000V. They’re ergonomic, too, so will protect your hands from the risk of muscle strain or injury. When it comes to safety it’s vital that any insulated tool meets strict international standards. All Bahco insulated screwdrivers and plier sets meet IEC 60900 but for even greater reassurance many are VDE certified. To gain VDE approval tools must pass rigorous testing of quality, safety and ergonomic features.

For more information, visit bahco.com

H IP I AU TUMN SPARKS I AU TU2MN 0 1 82 0I 1 8 C OIM C PE O TMI PE T IOTNI T IO N

HOW TO ENTER… Don’t miss out. For your chance to win, simply send an email to admin@sng-publishing.co.uk and put ‘Bahco Screwdrivers’ as the email title. We’ll pick 10 lucky winners at random and notify them via email by 18th January 2019

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THE INTERVIEW

James English combined his electrical apprenticeship with a mechanical one and now works as an Application 08

SPARKS I AU TU MN 2 0 1 8 I IN T E RV IE W

JAMES ENGLISH

he electrical industry is extremely diverse – you don’t necessarily have to become an installer or contractor once you are qualified.

Development Engineer at 3M, where he helps design their range of electrical products. We caught up with James to ask him about his career path – and why apprentices have a wealth of opportunities.

SPARKS: How did you get into the electrical industry? James English: When I left school I went to do my electrical apprenticeship. I did a year at college and a year where I was working – at that point it was when the market had crashed and there were no jobs, it was so hard to get apprenticeship. For the whole of the second year I did free work experience for a company. I volunteered on the days when I wasn’t at college to work with an electrical contractor. At the end of the second year I got a mechanical apprenticeship, but they let me finish my electrical one as well. I finished my year with electrical and ended up in mechanical electrical design. I was also doing my engineering NVQs. At this point I got Level 1 and 2 Engineering and Level 3 Electrical, so I was getting well-rounded. SPARKS: What did you do after your apprenticeship? JE: After my apprenticeship I did a year where they let me finish my engineering NVQ. I was working in my electrical department at quite a young age, running it with a guy who was about to retire. It all worked out for me! It was handy: I had mechanical electrical installation experience, I had hands-on electrical design by then, so I had a really good overview of the whole picture. I did the first two years at Chelmsford College and then a final year at Colchester. I did help install some plans on the electrical side. I was there for a year and then I was starting to look for another opportunity. SPARKS: When did your career path separate from becoming an electrical installer? JE: A chance came up with a company called Tyco Electronics (now TE Connectivity) which was a power utilities business, doing anything from outside your house up to power station level. I was brought in as a design engineer but I was helping to set up testing and going out doing hands-on testing. It stepped me up from being an electrical installer/electrician. There’s a bit of disconnect there, as there’s no path for someone who wants to go further and it’s a shame. It’s definitely been beneficial for me; it’s so diverse in electrical. You can actually go

on to power utilities, there’s so many opportunities in it. I was at Tyco doing the testing, doing design engineering. For a year and a half in my final of four years there I was doing mechanical engineering but becoming a product manager. I had quite good technical control as well. I suggested they should put the technical and commercial departments together and that was a success. I could influence how things were installed, how they were designed, costs, marketing, the whole lot - it was really good. Internally they offered me a move to Germany but I found the job at 3M. SPARKS: What do you do at 3M? JE: It’s more hands-on than I was doing at TE. I’m hands-on with new designs of joints and terminations and working with all the power companies to keep their products up to date. I do stuff on the domestic side now: I help with all the tapes, connectors, resins that a normal electrician would use as well. I help carve out the range we’re selling to distributors. I do a bit of everything. The most useful thing I have is electrical knowledge but having mechanical and engineering knowledge has helped me out as well. That’s my biggest selling point - that I have both - and they work really well with each other. SPARKS: Why is it a good industry to work in? JE: I completed my apprenticeship in 2007, so just over ten years ago. There were three reasons why I chose to get into it. One, I wanted a trade behind me, it’s a very powerful thing. Two, electrical is the highest trade of all, you have to have the best qualifications and there’s good prospects. Thirdly, everything in the world is turning electric – you can’t get away from electric cars, the electric generation. It will never die. Without it we won’t survive. It was a great thing to get into because I’ll never be out of a job. You’ll always need a hairdresser, you’ll always need an electrician. That was my main thinking. Plus, as a kid I used to build models so I liked using my hands!

WOULD YOU RATHER… Over the past few months we have been asking you to make difficult choices in a variety of questions on social media. Where does the average electrician keep their ketchup – in the fridge or in the cupboard? Would you rather fight one horse-sized duck or one hundred duck-sized horses? Some contests were tighter than others. Do you fit in with the norm or go against the grain?

Where do you keep your ketchup?

Which sense would you rather live without?

How do you pronounce scone?

FRIDGE (53%) CUPBOARD (47%)

SMELL (89%) TASTE (11%)

AS IN CON (59%) AS IN CONE (41%)

If you could only choose one of sweet or savoury, for the rest of your life, which would it be?

Who do you prefer in The Battle of Britpop?

Which would you rather fight?

OASIS (89%) BLUR (11%)

SWEET (29%) SAVOURY (71%)

ONE HORSE-SIZED DUCK (47%) 100 DUCK-SIZED HORSES (53%)

What sort of person are you?

Which would you rather live without?

EARLY RISER (50%) NIGHT OWL (50%)

INTERNET (50%) HEATING (50%)

H IP I AU TUMN 2 0 1 8 I F E AT URE

QUIZZES TO GIVE A KAHOOT ABOUT So you’ve seen our awesome new look and our epic new website, but have you spotted the other new addition to the SPARKS world that we are all super excited about?

Kahoot! is a game-based platform that takes you away from your textbook and makes learning interactive and quite literally hands-on. It enables you to compete with your classmates, your lecturers and anyone else who fancies the chance to test their knowledge.

This will change the classroom and your learning experience forever, one quiz at a time.

With the SPARKS Kahoot! quizzes - which can be found on the ‘Learning Resources page of our website - speed is key as you race to beat your classmates and get the most answers correct.

Check it out – you won’t regret it!

F E AT U RE I AU TU MN 2018 I SPA RKS

Y E H T S THING H C A E T DON’T S S A L C YOU IN Ever wondered what you might learn once you take the leap onto the tools after all of this studying? We asked a group of professionals what they have learnt as electricians outside of the classroom.

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(Ele ferent to a ensive, ndon is dif o L in g K. It is exp and U in e th Work r e v o s to traffic worked all on charge - and I’ve ti s e g n e. What o c ing to ing on tim e b is b from park jo e anners . Part of th general m is e g e everything ll o ow what teach in c have to kn ents. u o Y . ts they don’t n e cli tte with cli in front of and etique ay things s y a to m n e It h w lite. to say and n to be po a c g u in yo o g g in re Do everyth stupid, but if you a things y ll e a v a re le d t soun t, jus e il to s t’ n e cli you found to use the aner than le c g in lk ta u come clean. I’m wrong. If yo your o g ’t n a c u h it, then yo d you was ty sink an ir extra d e a th s s acro u go yo re u s e ak As an hands, m thing up. ry e v e n a cle learn mile and e job is to th f o rt a p , ist the apprentice lso to ass a t u b e o and observ re working with. D a u you are person yo make sure to g in th ry eve ier. eir job eas making th

JAME S EN GL ISH

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evelopment En gineer at 3M ) The speed you have to work. When you are college, everyt at hing is given to you on a plate, the bits. When all you are in the real world, you’ got that job an ve d you can go and work, but long is it going ho w to take? Also keeping up-to Keeping on to -date. p of a daily wor kload, that was biggest shock the – I’d never ha d to buy the before and they pa rts didn’t teach m e that. It’s not installation, it’ just s the whole lo t.

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THE IDEAL STUDENT Steve Ward from DCET, part of The Focus Training Group, shared with us what an ideal student would look like - just to give you the heads up as the new academic year kicks in. He has been an Assessment Manager for 3 years and he was a Training Officer for 8 years prior to that, so it’s safe to say he knows his stuff! GOOD AT LISTENING Short hair to look professional

Good eyesight

Smart and tidy, wearing company workwear

A good attitude is key

Not interested in their phone

Punctual

Keeps hydrated, especially when working in loft spaces

Tall so they can reach light fittings

No beard as that could be a health and safety issue!

SPARKS I AU TU MN 2 0 1 8 I F E AT URE

Good customer manner

Good hygiene

Doesn’t use any shortcuts when it comes to PPE

NEW

TECHNICIAN’S WHEELED CASE Designed to cope with all terrains and larger tool kits, the new Technician’s Wheeled Case provides the perfect solution to effortlessly getting your tools to the job.

SPECIFICATION: • Rugged and durable chassis, wheels and telescopic handle for all terrain use • Extra wide main compartment featuring a red lining for high tool visibility • 30 Deep square pockets and tool holders for efficient tool storage • Zip down front panel featuring tool and A4 document storage • Balanced design for effortless movement of larger toolkits, test equipment and power tools • Tough 600D Polyester construction

www.ck-magma.com

JUST PUSH AND TWIST Specialised Wiring Accessories’ new fast-action SmartFit Glands have provided a revolutionary way of fixing cable glands - and it promises huge time savings for electricians.

Unlike traditional glands, SmartFit glands can be fitted in seconds using a simple push-and-twist action — and working solely from the outside of enclosures. No locknuts are used and there’s not even any need for the enclosure hole to be threaded. > FAST FIT The SmartFit Glands use an ingenious combination of locking teeth and a spring-loaded collar to make installation both faster and easier. The new glands are dust-tight and are protected against the prolonged effects of immersion (5 bar, 30 minutes), earning the SWA range the maximum IP68 rating. A further advantage of the SWA SmartFit Cable Glands is that the narrow profile of the locking teeth means the glands take up significantly less space inside the enclosure wall than a conventional gland fitted with a locknut.

> REMOVE AND RE-USE If the SmartFit glands need to be removed, this can be done using a separate tool. By pushing this coneshaped adaptor onto the gland inside the enclosure, the locking teeth are compressed and the gland can simply be lifted out of the hole. Again, the process takes just a couple of seconds and the gland can be re-used.

> BEST IDEAS Colin Fletcher, SWA’s Marketing Manager, said: “At SWA, we are always on the lookout for innovative ways to improve established products in the marketplace. As a leading supplier of cable glands, we naturally turned our attention to this humble metal and nylon product used every day by electricians. “What was needed was a quick and easy new way to speed up the fiddly process of installation. We arrived at the idea of combining locking teeth locating against the inside enclosure wall with a spring-loaded gland collar acting on the outside — a solution that, like many of the best ideas, is both simple and ingenious. “Our initial range of SmartFit Glands was produced in tough PA6 Polyamide and we have now expanded the principle to all types and sizes of gland, whether brass or nylon/plastic.”

SPARKS I AU TU MN 2 0 1 8 I F E AT URE

SMARTFIT REMOVAL TOOL

Check out the product demo at: https://www.youtube.com/ watch?v=Xirkm215s1s&t=1s www.swaonline.co.uk

t us for ts e m de en Th gui stud ve l ha trica c ele

NEW: Student’s Guide to the IET Wiring Regulations (BS 7671:2018)

The popular Student’s Guide to BS 7671 has been updated to the 18th Edition IET Wiring Regulations This book helps you to: ■ Understand technical terminology ■ Learn how to find the information you need, every time ■ Improve confidence when working with BS 7671

Designed specifically to help those studying for a career in the electrotechnical industry, the guide makes it easy to work with BS 7671.

Get your copy now at: www.theiet.org/studentguide-sparks The Institution of Engineering & Technology is registered as a Charity in England and Wales (No. 211014) and Scotland (No. SC038698). The IET, Michael Faraday House, Six Hills Way, Stevenage, Herts, SG1 2AY, UK.

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PROVE YOUR SKILLS WITH THE ECS CARD Whatever stage you’ve reached in your apprenticeship, you’re probably already thinking about your future, when your dedication to work and training are rewarded with a fulfilling job and growing bank account!

Proving what skills and qualifications you’ve achieved is essential during your apprenticeship and your working life - whether it’s to allow you access to construction sites, or to progress throughout your career.

with the JIB or you can apply for one at any stage of your apprenticeship. Once you’ve got your card, download the MyECS app to show your virtual ECS card with pride!

The ECS Card provides this proof for you. Holding an ECS card shows that your skills and qualifications have been checked and verified by the Electrotechnical Certification Scheme. It’s the only card scheme for electrotechnical operatives in the UK that’s partnered with CSCS, and it’s recognised and endorsed by the electrical industry. > ECS APPRENTICE CARD You may well already have received your first ECS Apprentice Card if your training provider registers you with the JIB. If not, they can still register you 18

SPARKS I AU TU MN 2 0 1 8 I ADV E R TO RI AL

> ECS GOLD CARD Once you complete your training you’re eligible for ‘ECS Registered Electrician’ status and can receive your ultimate ECS gold card. This will become your employment ‘passport’ by showing that you have attained the highest standard in electrical competence and are trained to the Level 3 industry standard, as well as the BS 7671 wiring regulations. Your college or training provider will be able to give you more information, so ask them about the JIB and ECS cards. You can also visit the ECS website for more information. Good luck with your apprenticeship! www.ecscard.org.uk

Prove your skills with the ECS card

Get your Apprentice ECS card while you’re training.

When you’ve completed your apprenticeship get your ECS Registered Electrician gold card – to prove you’re meeting all industry standards.

Download the MyECS app to show your virtual card from your mobile!

The Electrotechnical Certification Scheme (ECS) recognises the skills of electrotechnical workers in the UK and is endorsed by the electrical industry. For more information speak to your training provider or visit www.ecscard.org.uk

OBSTACLES ON THE PATH TO DIGITALISATION With the rise of the Internet of Things, Virtual Reality, Artificial Intelligence and other emerging technologies, Steve Martin asks how the electrotechnical industry will embrace them, and what the main obstacles will be. powerful BMS software to bring them together, break down silos, and make it easier for operatives to control and monitor a building’s features through a simple, smart interface.

Advances in software, in addition to a tidal shift in the role it plays in day-to-day life, are radically changing the way installations are designed, developed and managed. But while the benefits of new technology can be clear, there can be a lack of speed or even a reluctance to incorporate it into projects. This could be due to cost constraints, or a lack of information, awareness and expertise, and potentially a combination of all of these. Take Building Management Systems (BMS) and the growing demand for smart buildings as an example. Typically, systems (power, fire and security, telecommunications and others) are designed, installed and commissioned independently and vary widely in their complexity. With new technology, all could rely on

However, survey results released in early 2017 by ECA, CIBSE and SELECT show that progress may be hindered by a lack of pre-existing infrastructure, high cost, and low expertise. Four in 10 clients said they were ‘not familiar’ with the term the ‘Internet of Things’, which has become widely used in the industry in recent years.

and build long-lasting relationships with clients seeking smarter homes, offices or buildings. Technology such as the Internet of Things, 3D printing, big data, the cloud, VR and Artificial Intelligence will have a big influence and apps will be the crucial link that connects it all to the end-user. If carefully considered, the benefits of software applications in our industry - improved job safety, improved accountability, better data capture, time and cost savings, breaking down silos - could far outweigh the risks.

> CONNECTED TECHNOLOGY In terms of the main barriers to installing connected technology in buildings, clients identified the cost of installing it (82%) as the main one, with lack of clear advice / knowledge (55%), and cyber security (49%) also considered major factors. Almost four in 10 clients (39%) said that they didn’t take any steps to protect smart installations against cyber threats. Demand for softwareenabled solutions will only increase, and those who are ready to provide clients with the right advice, systems and support could be in a position to capitalise on these opportunities –

SPARKS I AU TU MN 2 0 1 8 I ADV E R TO RI AL

Steve Martin is the Director of Technical at ECA.

THE WORLD'S FIRST E-SCREWDRIVER FROM WIHA “Drive with speed, fix with feeling” – speedE® promises users to complete their work twice as fast. An electric motor assists with fastening screws up to 0.4 Nm before disengaging to ensure that material is protected. The screw can then be fixed by hand with a deft touch, just as with a conventional screwdriver.

The globally unique 3-step speedE® process enables users to work significantly faster and more efficiently, but by using a controlled, healthier technique. > EFFICENCY AND COMFORT Compared to manual screw-fixing, speedE® helps users get things done at least twice as fast, increasing their working day efficiency substantially with more comfort. Even so, they can adjust or fasten by hand with a deft touch using up to 8 Nm when the integrated material protection function activates at 0.4 Nm. The speedE® can thus also be used as a fully-fledged screwdriver, in combination with the Wiha VDE-tested and insulated slimBits, completely protected for use and work on live parts. This consciously fine-tuned power transmission and torque control in electric mode brings a particular benefit to users for delicate screw-fastenings. An integrated LED light also ensures users are not left in the dark as they fasten screws.

in terms of size and weight, the Wiha e-screwdriver is an ideal, portable companion in an extensive variety of sectors and application areas with its compact, lightweight design. When fully charged, speedE® can fasten electrically up to 800 times. In an ideal case, this provides users with a time frame of over several days to work with the Wiha e-screwdriver without re-charging the batteries. Standard rechargeable batteries inside the handle eliminate follow-up costs, which highlights speedE®'s user-friendly approach. > THE PERFECT STARTER SET The Wiha speedE® will be available to users in three starter set variants with the ideal set depending on requirements and tasks. Besides the electric screwdriver, sets include two rechargeable batteries, a portable battery charger, a sturdy Sortimo L-BOXX to carry everything and an assortment of suitable slimBits and easyTorque torque adapters with content depending on the variant.

> COMPACT AND LIGHTWEIGHT Comparable to normal screwdrivers

www.wiha.com/speedE F E AT U RE I AU TU MN 2018 I SPA RKS

THINK YOU KNOW ABOUT ELECTRICAL ENGINEERING APPRENTICESHIPS? It has recently been reported that 36% of parents with children aged 11-16 in the UK don’t know what an apprenticeship is. Meanwhile, statistics indicate that 68% of young people are equally bemused when it comes to the details of an apprenticeship, despite this being a crucial age for decision–making regarding future careers and development.

These findings signal an incredibly important wider issue: of those parents who confessed to not understanding the premise of an apprenticeship, only 14% considered this to be a good option, with nearly three times the amount (42%) showing a preference for their children attending university. Many young adults suggest that the option of university is more heavily encouraged within the school and college environment, for it is suggested that this will provide comparatively more support and opportunities for advanced career development post-graduation.

opportunity for the development of long-lasting workplace relationships. > BODDINGTONS ELECTRICAL In addition, companies across the UK are making unprecedented efforts to improve support for apprentices. For example, acclaimed UK-based firm, Boddingtons Electrical, work continuously to develop and hone new products, with a view to improving workplace protocols and apprentice performance. They are a

> FUTURE DEVELOPMENT But herein lies the confusion: recent studies suggest that apprentices could, in the near future, earn more than graduates. Practical apprenticeships allow young people to challenge themselves in the workplace; for many, this offers a more approachable method of learning. Similarly, for several careers including electrical engineering, apprenticeships form a highly respected route into the industry, saving thousands of pounds in student debt whilst providing an essential 22

SPARKS I AU TU MN 2 0 1 8 I F E AT URE

UK manufacturer of insulated tools, meeting necessary safety standards and supporting apprentices with special rates. Electrical engineering apprenticeships are soaring in popularity and are undoubtedly worth considering if you feel this is a path to which you’re well suited. If you’d like more information about how Boddingtons Electrical help apprentices, visit: www.boddingtons-electrical.com

Multi Volt series

AC power. DC freedom.

A new generation battery system with almost the same size and weight as our 18V battery ‑ but it’s the technology inside that gives you the great improvements you need. Doubling the voltage provides optimal power without the hassle of cords. The MULTI VOLT battery is compatible with almost every cordless HiKOKI power tool, which means you can easily switch from one power tool to another, regardless of the voltage. So you’re just a simple click away from maximum performance.

www.hikoki-powertools.co.uk

DON’T GET A SHOCK: USE INSULATED TOOLS Here’s a useful pub quiz question: what’s a pantograph? Is it artwork for a pantomime, a photo of a pair of jeans or a device for drawing down an electrical current? OK, you’re right: it’s the third option. A pantograph is the metal frame sticking up from the roof of an electric train which must have contact with the overhead power line to enable it to move. Typically, railway power lines in the UK are carrying a 25,000V current. You can’t see it, you can’t hear it and touching it would be fatal. But thanks to insulation, passengers and train crews travel in complete safety.

That’s why toolmaker Bahco and other responsible tool manufacturers sell a range of insulated screwdrivers, pliers and other tools, intended for use by professionally qualified electricians.

It’s similar to the electric current used in most homes and businesses in Britain but on a much smaller scale. You can’t see that either but you know it’s there. You will also know you can’t take any risks when working with electricity.

> QUALITY TOOLS Insulated tools have to meet strict safety and quality standards. So when buying electricians’ tools make sure you choose insulated tools which meet the international standard IEC 60900 and are safe for live working up to 1,000V. To achieve that standard they have to be tested at 10,000V. > VDE CERTIFIED Some tools are also VDE certified, providing additional assurance. The initials stand for Verband der Elektrotechnik, the original Association of German Electrical Engineers. To gain VDE approval tools have to pass tough quality and safety tests. > VALUE FOR MONEY Bahco screwdriver and plier sets are affordable, too. For example, their B220.005 set includes five BahcoFit insulated screwdrivers in different sizes, for use with slotted and Phillips screws. You can get the whole set for less than £30 if you shop around – and Bahco tools last for years. > SAFETY FIRST Why should you buy insulated electrical tools? That’s a no brainer. It could save your life. www.bahco.com

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SWITCH ONON TO TO SWITCH INDUSTRY RECOGNISED INDUSTRY RECOGNISED ELECTRICAL ELECTRICAL QUALIFICATIONS QUALIFICATIONS WITH EALEAL WITH

WHY USE EAL?

WHY USE EAL? • A full suite of industry recognised qualifications

We have:

• Qualifications that equip learners with industry

We have: to cover • A fullallsuite industry recognised that competencies, equip learners with yourofemployees’ trainingqualifications needs, from • Qualifications relevant skills, andindustry understanding to cover all your employees’ training needs, from relevant skills, competencies, and understanding new joiners to ongoing professional development for work in residential, commercial, and new joiners to ongoing professional development for work in residential, commercial, and industrial settings industrial settings • Qualifications recognised by the JIB, SJIB, • Qualifications recognised by the JIB, SJIB, Electrotechnical Certification On-going solutions based support from time Electrotechnical CertificationScheme Scheme(ECS) (ECS) •• On-going solutions based support from time and Competent Person Schemes served experts in your and Competent Person Schemes served experts in your field field

experts easy to work with.They They “EAL’s“EAL’s experts are are easy to work with. are customer very customer learner focusedand and are very andand learner focused concentrate on the important thingstototurn turn concentrate on the important things out the best qualified electrical engineers.” out the best qualified electrical engineers.” David Wyre, Managing Director, WA Electrical Engineer Training

KEY Electrotechnical qualifications for domestic, KEYFEATURES: FEATURES: Electrotechnical qualifications for domestic, commercial, and industrial installations commercial, and industrial installations Clear progression pathways - Level 1 to Level 4 Clear progression pathways - Level 1 to Level 4 INCLUDES: Inspection and Testing, Periodic Reporting, INCLUDES: Electrical Inspection Periodic Reporting, Designand andTesting, Verification, Electrical Design and Verification, 18th Edition Wiring Regulations

David Wyre, Managing Director, WA Electrical Engineer Training

EAL Awards EAL Awards EAL_Awards

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01923 652400

01923 652400 customercare@eal.org customercare@eal.org www.eal.org.uk www.eal.org.uk

17th Edition Wiring Regulations

MEGGER INTRODUCES

NEW DIGITAL MULTIMETERS Electrical test equipment manufacturer Megger has announced the launch of its new series of nextgeneration AVO800 multimeters, designed to provide the best-in-class level of data and results validity, as well as a comprehensive host of new and advanced product features.

> NEW TECHNOLOGIES In line with the firm’s focus on creating easy-to-use and safe portable test solutions, Megger’s two newly released units – the AVO830 and the AVO835 – combine the renowned build and performance of the historical AVO units with new, proprietary technologies such as simultaneous AC&DC voltage measurements, smart capacity discharge function and non-contact detection of live circuits and conductors. Simon Wood, European Distribution Manager at Megger, said: “We are excited to bring to market two state-of-the-art product solutions to truly help our customers make a vital decision about their most important assets with peace of mind, which adds complimentary value to our new AVO800 series and takes ‘the Megger way’ of testing to the next level once more.”

> PROTECTION As Megger remains devoted to safe working conditions, the new AVO800 instruments have the highest level of protection in the industry – CAT III 1000V & CAT IV 600V rating. In addition, a phase-sequence indication function proves invaluable on three-phase systems, ensuring the correct run of operations without the needs of additional test leads or probes. For more information or enquiries about Megger’s new AVO800 series, please visit: uk.megger.com/AVO800 or email: uksales@megger.com

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TESTO UK CELEBRATES 35 YEAR ANNIVERSARY WITH 35 HUGE PRIZES Like many successful businesses, Testo UK has grown from humble beginnings. Founded in 1983, the company originally operated from the garage of the first Managing Director, Barry Whittaker. 35 years and several moves later, Testo UK is now based in offices in Alton in Hampshire and employs more than 40 people. During this time Testo UK has seen continued growth and is now the tenth largest subsidiary of Testo worldwide.

Testo UK Managing Director Ivan Sokolov said: “Innovation and re-invention have been the qualities that have driven the growth and success of Testo UK for the last 35 years. Testo employees are proud to work for a company with a long history of sustainability and integrity and whose products truly help to make the world a safer place. To celebrate the success of Testo UK and to mark this significant milestone, we will be running a grand prize draw, where we will give away 35 Testo Instruments!”

suitable for professionals working across a range of industries: heating, ventilation, refrigeration, food, pharma and laboratories, industrial maintenance and facilities maintenance.

Open to all, Testo UK will give away a total of 35 Testo Instruments between now and the end of 2018. At the end of each month from August to December, we will give away 7 different instruments. The prizes will include instruments

Entrants only need to enter the prize draw once, as their entry will automatically be included in each subsequent monthly draw. To enter customers simply need to complete a brief online entry form at www.testo.com/en-UK/win/35

Included in the 35 instrument prizes are a thermal imager, flue gas analyser, refrigeration manifold, airflow instruments, thermometers, dataloggers, Smart Probes and many more. In total the instruments are worth almost £8,000!

> ABOUT TESTO Testo UK sells the full range of Testo instrumentation to a diverse range of industries including: HVAC and refrigeration, facilities management, process industry, food production, restaurants and catering, pharmaceuticals and healthcare, energy and utilities. In addition, we offer instrument service and calibration from our UKAS (ISO/IEC 17025:2005) accredited laboratory.

www.testo.co.uk 28

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THREE WAYS TO UPSELL

TO A CUSTOMER Whether we notice it or not, upselling has become part of our everyday lives - from fast food chains encouraging us to go large, to petrol station cashiers enticing us with chocolate bar promotions at the till. Yet for many new electricians, it can be a daunting part of the job. Many worry that they will come across as pushy, so shy away from doing it altogether. However there is a way for many newly qualified electricians to not only help customers make better decisions, but to create more revenue from every job.

Here we look at three ways to make upselling easier:

> DEMONSTRATE GOOD PRODUCT KNOWLEDGE

> LISTEN TO CUSTOMERS

Being well informed about the benefits of different products and offering options for different budgets is an important part of upselling.

The best kind of upselling isn’t really selling at all, it’s actually about finding out the challenges customers are facing and recommending additional products to help them. When you’re carrying out an electrical installation, talk to your customers and find out what their priorities are. If you’re installing lighting and cost saving is a priority, as well as LED lighting, discuss the additional benefits of dimmers, timers and occupancy sensors. Luceco offers a range of controls to help maximise LED energy efficiency.

USB CHARGER SOCKET

> KEEP UP TO DATE WITH THE LATEST TECHNOLOGY

If you’re fitting sockets, talk to customers about their use of chargers and WiFi. This opens up the opportunity to tell them about new types of wall sockets, such as BG Electrical’s Wi-Fi range extender sockets, which are a great option for customers who suffer from patchy Wi-Fi coverage around the home.

F TYPE LED

TYPE-C USB

For example, with LED lighting, there are vast differences in the energy efficiency and durability of lamps on the market. Luceco’s new F Type LED fire rated downlight delivers more light output using less energy compared to others on the market.

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Being aware of advances in technology is also an opportunity for upselling. For instance, the latest mobile phones use the new, smaller type-C USB chargers, which means you could encourage customers to future-proof their charging sockets by getting a combined unit, such as BG Electrical’s new smart USB charging socket, which incorporates standard and type-C USB charging slots. For more information, visit www.luceco.com and www.bgelectrical.co.uk.

INTRODUCING INTELLIGENT LIGHTING Light affects the way people feel and when the balance is correct the results of productivity, happiness, concentration and accuracy can be incredible. High levels of light are best to help people stay alert during their working day and Saxby Lighting has the ideal offering to maximise efficiency within any work space.

Creating the right mood and atmosphere with lighting to get the optimal work efficiency and wellbeing out of employees is essential. > AUTOMATIC LIGHTING Saxby Lighting has released a new product called the Sirio Daylight Harvesting panel. It automatically adjusts the light output to achieve the target LUX level by sensing the amount of natural light in the room. All that is needed is for the photo sensor and driver to be fitted to the Sirio panel and away it goes. It is fully adjustable from 100 LUX to 450 LUX in 50 LUX steps by using DIP switches when installing the panel. The panel also boasts edge lit technology and each is designed with an ultra slim profile for use in T-bar ceilings. The constant current driver is capable of being adjusted with an output from 700mA to 1050mA, but it has been factory set at 1000mA and 450 LUX, ensuring it will work straight out of the box with your Sirio panel. The Sirio panel is simple and easy to install as it boasts push fit connectors. The driver has two sensors that monitor the light output from the panel and the ambient light in the room and adjusts the panel light output to maintain a consistent LUX level. For more information on the Sirio panel Daylight Harvesting range, visit the Saxby Lighting website at www.saxbylighting.com or call 0333 234 7497 to speak to a member of the team.

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HERA CCT KIT UNDER CABINET LIGHTING Warm white to cool white at the flick of a switch

3000K

NEW PRODUCT

4000K

EASY INSTALL

DAISY

CHAIN LINKING

HERA CCT KIT The Hera is a new product launching soon which is an LED, surface mounted under cabinet lighting kit; contains three fittings, finished in satin nickel. This under cabinet fitting comes with Colour Changing Technology (CCT), giving a choice of 3000K or 4000K at the flick of a switch. Up to 5 fittings can be connected in a daisy chain using the 1.3m link cable between each product. Access to the central connector is not required. Additional heads available.

Select 3000K or 4000K using the CCT switch. • Complete with fixing accessories • Satin nickel & frosted polycarbonate • Complete with LED driver

For our full range visit www.saxbylighting.com/Sparks-A18 or call 0333 234 6893

MAKE ROOM FOR THE NEW B.E.G. DALI LINK STARTERSET Lighting controls specialist B.E.G. has launched one of the simplest single-room DALI scene solutions on the market.

The new B.E.G. DALI LINK STARTERSET is the latest building automation product to be released by the German manufacturer which is ideal for small offices and meeting rooms, as it contains all the components that are required to control and set scenes for DALI enabled lights.

> STARTER PACK This practical starter pack includes three easy-to-use products: the super-flat B.E.G. PD11 occupancy multi-sensor, a four-way pushbutton interface to access lighting scenes and the DALI power supply which is connected to the light fittings in the ceiling. The B.E.G. DALI LINK STARTERSET is available from selected electrical wholesalers.

> INTELLIGENT LIGHTING The B.E.G. PD11 is a flush fitting occupancy sensor with a thickness of less than 1mm. It is hardly visible once it has been fitted into the ceiling. It provides intelligent lighting control by reliably detecting brightness and 34

movement in the room within an area of up to 9m. The innovative pushbutton interface is combined with a suitable retractable switch, or scene plate. It houses a Bluetooth interface, which allows easy programming via a smartphone or tablet device using the free B.E.G. DALI LINK App. The app contains a protected area which allows the installer to securely and intuitively commission the DALI LINK STARTERSET and allow the levels to be automatically queried and displayed. The end user can activate pre-set scenes at any time, with up to 16 scenarios pre-installed, or to even create their own. The lighting can also be conventionally switched and dimmed as required. The DALI LINK solution allows more than just scenes to be set up and controlled. A guide light function can also be created to reduce dark spots, or to allow the lights in adjacent areas and corridors to be on at a dimmed level. This ensures a controlled pool of light follows users.

> EASY INSTALL All DALI lighting groups, the push button interface and sensors (including slaves) use just one single pair cable to connect, making it easier for electricians to install. https://www.beg-luxomat.com/en-in/

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Bright Sparks “An electricians dream.” “I used them and they are fantastic.” “workmate has been using his for 3 years and counting, that’s got to be great value.”

Sparks Advert - Half Page Landscape (210x146mm).indd 1

B.E.G.

02/08/2018 11:30

LUXOMAT ® net DALI LINK Intelligent light!  Addressable multi-master Lighting Control System  Supports DALI and DALI-2 luminaires  Ideal for retrofitting  Super flat multisensor

DALI Power supply

DALI Multisensor DALI 4-way pushbutton module with Bluetooth Gateway

 Simple, intuitive operation  Free Bluetooth app with 2 functions: - Scene control for end customer - Commissioning tool for installers

beg-luxomat.com

TYPES OF LIGHT SENSORS Know your photocell from your microwave? Here you can make sure you do, thanks to Saxby Lighting. > INFRA-RED

> MICROWAVE

These are short-range movement sensors and are used for hands-free operation of lights where you may have wet hands. The IR sensor is a little module with an emitter and a detector, it emits a beam of infra-red (like your TV remote), and when the beam is broken the detector will activate the sensor.

These have a similar operation to the PIR but work by detecting motion. They send a continuous wave of radiation out and if there is any movement in their range they detect the change in frequency and operate the light. They can be fitted internally as the microwaves will pass through some materials, and can even pass through walls.

> PIR

> PHOTOCELL

Also known as passive infra-red, the sensor detects the heat energy that all living bodies give off. When a person walks in front of the fitting, the sensor detects the change in the infra-red radiation and turns on the light.

Sometimes known as a dusk to dawn sensor. The sensor reacts to the ambient light and will turn the fitting on when a pre-set light level is reached. The light will remain on until the light increases to another pre-set level where it will turn off.

Visit the Saxby Lighting website at www.saxbylighting.com or call 0333 234 7497 to speak to a member of the team.

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@sparksmag

@sparks_magazine_

@sparksmagazine

www.linkedin.com/company/ sparksmagazine/

MYSCHNEIDER

ELECTRICIAN COMPETITION WIN AN ESSENTIAL ELECTRICIAN’S TOOL KIT WITH MYSCHNEIDER ELECTRICIAN Don’t miss out on this great offer from Schneider Electric – exclusive for SPARKS readers! Worth £250! The bundle includes a combi drill, screw driver set, workwear and wiring accessory demonstration cases.

HOW TO ENTER… Simply visit www.schneider-electric.co.uk/electricianpartner to find out more and start your journey with us! Use promo code SPARKS18 on the registration form before Friday 31st December 2018 to enter this fantastic prize draw.

Good Luck!

Available on mobile and desktop, mySchneider Electrician offers everything you need to save time, be more productive and to help you grow your business.

H IP I AU TUMN SPARKS I AU TU2MN 0 1 82 0I 1 8 C OIM C PE O TMI PE T IOTNI T IO N

APP-RENTICE

Rag and bone, ringer, handset, mobile, bleeper, cell…whatever you call your phone, it’s unlikely that you’re ever without it. So why not use it to go further as an electrician? We take a look at some of the latest apps that are available to make all of that sparky malarkey just a little bit more straightforward…

SCHNEIDER ELECTRIC

JIB

MYSCHNEIDER ELECTRICIAN APP

GET THE JIB APPRENTICE APP!

Designed to make electricians’ lives easier, mySchneider Electrician app helps you to save time and stay organised.

If you’ve not already heard of the JIB, they’re the organisation that run the ECS card scheme and they also look after other areas, such as employment standards for the electrical industry.

Manage projects easily with key appointments synced to your smartphone calendar. Create quotations on-the-go while you’re out with customers, and send them directly to a wholesaler. Find all the product information you need at your fingertips with the new e-catalogue, and access 24/7 technical support. Visit www.schneider-electric.co.uk/electricianapp to find out more and download free for iOS and Android.

Download the JIB Apprentice App to find out more about ECS cards and lots more. It’s an essential guide to your apprenticeship – especially if you’re employed by a JIB member – and it will give you full details on what you’re entitled to, with sections such as: > Help and Support

> Good to Know

> The Essentials

> Boost your Career

www.jib.org.uk/app

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KNIPEX Quality – Made in Germany

KNIPEX Cobra® Hightech Water Pump Pliers > Push the button for adjustment on the workpiece > Fine adjustment for optimum adaptation to different sizes of workpieces and a comfortable handle width > Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required > Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping > Box-joint design for high stability due to double guide > Reliable catching of the hinge bolt: no unintentional shifting > Guard prevents operators’ fingers being pinched

KNIPEX Cobra® KNIPEX Alligator® Water Pump Pliers More output and comfort compared to conventional water pump pliers of the same length: 9-notch adjustment positioning for 30 % more gripping capacity Good access to the workpiece due to slim size of head and joint area > Self-locking on pipes and nuts: no slipping on the workpiece and low handforce required > Gripping surfaces with special hardened teeth, teeth hardness approx. 61 HRC: high wear resistance and stable gripping > Box-joint design for high stability due to double guide > Robust construction, insensitive to dirt; particularly suitable for outdoor work > Guard prevents operators’ fingers being pinched

KNIPEX Alligator® For more details please contact: Contact UK North: Mr David Barnes 07464847278 Contact UK South: Mr Richard Beesley 07770898298

www.knipex.com

TIME TO ADAPT With more people wanting electric vehicles, the need for electrical safety testing of their charging stations is becoming significantly greater as more public and private installed equipment (EVSE) is being used. This is a specialised testing application, requiring specialised testers and appropriate accessories, such as the Metrel A1532 EVSE Test Adapter.

connected to the chargepoint, so enables engagement of full charging power from the station through to the terminals on the Adaptor. This then facilitates both live and dead installation tests including Visual; Function; Insulation; Voltage & Frequency; Earth Loop Impedance; PFC; RCD; and RCM testing.

> TESTING Designed specifically for testing EVSE charging stations, it can be used with all Metrel installation testers, but those that include dedicated EVSE functionality would be the best choice. EVSE dedicated tests including Type B RCD; Type EV RCD (30mA AC and 6mA DC); and RCM (Residual Current Monitors) are the most significant. Auto SequenceÂŽ testing procedures will also save considerable time and errors/ omissions within the testing process. Despite the growing number of electric vehicles, there is currently a limited number of full test solutions for electrical safety and functional testing of charging equipment. The A1532 EVSE Test Adapter is currently perhaps the only realistic commercial device available on the UK market, and one of only a few in European/international territories. Essentially, the A1532 EVSE Test Adaptor simulates an EV 42

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The A1532 has several distinctive qualities which set it apart, including size, functionality and ease of use, with selector knobs for PP (proximity pilot) and CP (control pilot) states, and access to the CP signal for connection to external diagnostic equipment such as an oscilloscope. This enables more in-depth analysis of control characteristics and charging currents in specific states (current available; charge-ready; charging with/without ventilation; error simulation etc.) and therefore a more complete picture of the general state of the charging station. When used in conjunction with an EVSE compliant installation tester, it also enables result transfer to a PC for safety report generation.

www.metrel.co.uk

Tell me about the changes to the wiring regulations Sure, let me help...

Meet

Reg. Are you ready for all of the changes coming with the 18th edition of the wiring regulations? Reg is here to help! Reg is Hager’s very own 18th Edition expert chatbot. From simple explanations of the key changes to the 18th Edition regulations, to product information and advice, Reg is available 24/7. Contacting him is easy. Simply visit the Hager ‘Regs Live’ Facebook page and just send a message to begin a chat. Easy, convenient and straightforward. Let’s get chatting today.

/HagerRegsLive @hageruk

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CABLE SELECTION The following questions require you to study the relevant sections of IET BS 7671. Unit 04 of EAL 7345 and 04A of 1605. Q1. Cable voltage ratings for cables to BS5467, thermosetting insulated, armoured cables with a conductor operating temperature of 90°C are:

Q2.

PVC insulated non-armoured cable to BS6004, rated at 450 / 750V with a conductor operating temperature of 70°C is suitable for?

Q3.

Cables having low emission of smoke and corrosive gases when affected by fire can be abbreviated using the letters?

Q4.

Thermosetting insulted armoured cables for voltages of 600 / 1000V with low emission of smoke and corrosive gases and conductor operating temperature of 90°C, is British Standard?

Q5.

300 / 500V screened electric cables to BS8436 are for use in?

Q6.

The maximum voltage recommended for Mineral insulated cables and their terminations, to BS EN 60702-1 is?

Go to sparks-magazine.co.uk to download exercise answers for free

SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

CABLE SELECTION The following questions require you to study the relevant parts of Appendix 4 of IET BS 7671. Q1. The Table reference for current rating and voltage drop of 60°C thermosetting insulated flexible cable is:

Q2.

The percentage voltage-drop allowance for a lighting circuit supplied from a private generator is:

Q3.

The Rating factor for ambient temperature (Ca), of a 60°C Mineral Insulated cable covered or exposed to touch is?

Q4. The Rating factor for a single layer of 12 x PVC insulated multicore cables supported on a cable ladder is?

Q5.

The maximum current rating of a 3-phase 400V, 25mm² multicore 70°C thermoplastic non-armoured cable fixed to cable tray is?

Q6.

The maximum voltage drop per metre for the 25mm² in question 5 above, when supplying a resistive load is?

Q7.

A 2-core, 10mm², 90°C thermosetting insulated flexible cable with protective conductor, supplying a single-phase load, has a maximum current rating and voltage-drop of?

Q8.

A 50mm², 90°C multicore armoured cable with thermosetting insulation and aluminium conductors, installed to Reference Method D supplying a single-phase load has a maximum current rating of?

Go to sparks-magazine.co.uk to download exercise answers for free

E X E RC I SE I AU TU MN 2018 I SPA RKS

CABLE SELECTION You will need access to BS 7671 for this exercise. Unit 04 of EAL 7345 and 04A of 1605.

SCENARIO: Final circuit requirements for a 6kW heating load. 30m Ambient temperature 35°C 6kW Heater Uo 230v 1-ph

Type C RCBO 70ºC PVC, thermo-plastic T&E clipped direct to a surface Ib

Calculated or referenced

Chosen from Figure 3A5 Appendix 3

Cable Factor

Table Reference (BS7671)

Ca Cg Ci Cf

Cable installation reference method

Total rating factor: C=

Current Carrying Capacity of cable required: (It) It = In C

It =

Table No

Column

Current rating

Voltage drop

Cable size

Actual Voltage drop = (AVD) =

mV/A/M x Ib x Length of circuit (L) 1000 ___________ = 1000

Go to sparks-magazine.co.uk to download exercise answers for free

SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

WIRING CONTAINMENT SYSTEMS The following questions concern wiring system containment and IET BS 7671. Unit 04 of EAL 7345 and 1605. Q1.

Bus-bar trunking systems must comply with which British Standard?

Answer: Q2.

A ferromagnetic enclosure is one that is fabricated from?

Answer: Q3.

When access holes are made in steel trunking for the purpose of taking cables from the trunking to an electrical accessory, what precautions must be taken?

Answer: Q4.

In trunking systems cables of different Band circuits must be?

Answer: Q5.

The use of inspection fittings in a steel or PVC conduit system is designed to enable?

Q6.

Where non-combustible material is specified, the type of wiring containment to be used will be?

Answer: Q7.

One example of a closed wiring system for cables is?

Q8.

The term used to describe an enclosure situated above or in the ground, that is not large enough for persons but suitable for cables and conduits throughout their length is?

Q9.

The maximum internal cross-sectional area for a cable ducting or trunking that does not require it to be internally sealed to prevent flame propagation is?

Q10. A metal conduit or electrically continuous support system (e.g. cable tray or cable ladder) can be used as a?

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E X E RC I SE I AU TU MN 2018 I SPA RKS

WIRING CONTAINMENT SYSTEMS Complete the following multiple choice questions. Unit 04 of EAL 7345 and 04A, and 04 of the 1605.

wiring system that is identified by its Q1 A diameter is which one of the following?

Ans.

accessory used to join lengths of Q5 The metal trunking is a?

Standard power cables

Connector

Standard conduits

Screwed sleeve

Trunking

Joiner

MICC cables

Coupler

Stainless steel conduit or trunking is most

Q2 likely to be specified for which situation?

Ans.

terms ‘kick’ and ‘off-set’ are normally Ans. Q6 The associated with

Laboratory dealing with health screening samples

Conduit systems

Commercial servicing garage

Trunking

Supermarket food-hall

Cable tray

Domestic kitchen

Ducting

cable capacity rating for trunking Q3 The allows for?

Ans.

The best practice method for connecting metal

Q7 conduit to a metal-clad light switch accessory box? Ans.

Additional cables to be installed at a later date

Threaded coupler and male brass bush

Expansion of cables when in use

PVC conduit

Sufficient cable temperature rise without damage

Direct connection of the conduit with the box using lock-nuts

Circulating air space allowing cables to shed heat in use

Flexible conduit

Q4 Protective bonding straps are used on?

Ans.

one of the following containment Q8 Which systems is generally used underground?

Conduit systems

Trunking

The ends of the containment

Cable tray

Joints in trunking, cable tray or metal ducting

Conduit

Joints on PVC conduit and trunking systems

Ducting

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SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

Ans.

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distance and hospital, are all Ans. Q9 Spacer-bar, types of?

Stock, die, reamer and bending machine are

Q14 specialist tools use on which wiring system? Ans.

Conduit

PVC conduit

Trunking support mechanisms

Steel conduit

Saddle

Steel trunking

Support bracket

Metallic cable tray

Which one of the following wiring systems Q10 requires the introduction of fire barriers Ans. where it penetrates floors or ceilings?

Which one of the following wiring support systems

Q15 can be suspended from the building structure?

Conduit 25mm and above

Steel conduit

Trunking with an area of over 710mmÂ˛

Ducting

Cable tray

PVC conduit

Cable basket

Cable tray

basket is designed to support all of Ans. Q11 Cable the following cable types except? a

Single PVC insulated cables

PVC SWA

PVC insulated MICC

CAT 5 data cable

Q12 A running â&#x20AC;&#x201C; coupler is used when?

Ans.

The image shows what type of cable Q16 support system?

Galvanised cable tray

Galvanised ducting

PVC conduit systems

Trunking installations

Light - gauge plate

Underground ducting

Admiralty pattern black enamel cable tray

A steel conduit cannot be turned in situ The recommended saddle that permits

Q13 cleaning behind the attached conduit is a? a

Distance saddle

Spacer-bar saddle

Crampet

Clip

Ans.

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SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

Ans.

STEEL CONTAINMENT SYSTEMS Q1. a)

Identify the correct name for each of the following steel cable containment systems and suggest one application: Name: ....................................................................................................................................................................................................................................... Application: ....................................................................................................................................................................................................................... ............................................................................................................................................................................................................................................................

Name: ....................................................................................................................................................................................................................................... Application: ....................................................................................................................................................................................................................... ............................................................................................................................................................................................................................................................

Q2.

Estimate the amount of steel conduit required for the following installation in total metres and lengths. 3m

Answer: ......................................................................................................................

......................................................................................................................

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E X E RC I SE I AU TU MN 2018 I SPA RKS

Q3.

By using the IET On-Site Guide find and state the cable factors for each of the following cable types and installation methods:

a) 2.5 mm² PVC insulated cable with solid conductors installed in a straight length of galvanised steel conduit. Answer: ..................................................................................................................................................................................................................................................................................................... b) 10 mm² PVC insulated cables with stranded conductors installed in a 2m length of galvanised steel conduit. Answer: ...................................................................................................................................................................................................................................................................................................... c) 10 mm² PVC insulated cables with stranded conductors installed in a 4m length of galvanised steel conduit. Answer: ...................................................................................................................................................................................................................................................................................................... Q4.

Determine a suitable size of conduit to accommodate the following cables in a 2.8 m straight run of steel conduit:

• 3 x 1.5 mm² (stranded conductors) • 2 x 4.0 mm² • 1 x 10.0 mm² • 2 x 16.0 mm²

Q5.

How many 25 mm² copper cables can be installed in a 2m length of 25 mm Dia. conduit?

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SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

Q6.

The next question concerns cables installed in a steel conduit that is 5 m in length with one 90º bend and two off-sets.

Note: one off-set is equivalent to one bend

Determine a suitable size of conduit to accommodate the following cables

• 3 x 1.5 mm² (solid conductors) • 3 x 4.0 mm² (solid conductors) • 2 x 10.0 mm² (stranded conductors)

Q7.

Determine the number of 16 mm² with thermosetting insulation that can be installed in a 50 mm x 50 mm galvanised steel trunking.

Q8.

What is the minimum internal bend radius for a 25 mm conduit?

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E X E RC I SE I AU TU MN 2018 I SPA RKS

HAND TOOLS / FILES Unit 04 of EAL 7345 and 1605. Apart from the generally accepted hand-tools such and pliers, screwdrivers and stripping knife, etcâ&#x20AC;Ś an electrician will also need a hammer, hacksaw, engineers square, marker and a range of files. The following tasks refer to files, the various types available and the care needed to ensure they last you a long time. TASK 1: Identify each of the following files. Answer:

TASK 2: By using two examples describe the purpose of a file. Answer: 1) ...........................................................................................................................................................................................................................................................................................

2) ...........................................................................................................................................................................................................................................................................................

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SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

TASK 3: Identify three different surface finishes of flat files. Answer: 1) ...........................................................................................................................................................................................................................................................................................

3) ...........................................................................................................................................................................................................................................................................................

TASK 4: Give two ways in which a file could be damaged. Answer: 1) ...........................................................................................................................................................................................................................................................................................

TASK 5: Sometimes the teeth of a file become clogged with metal particles, (swarf); briefly explain how a file can be cleaned and any precautions that must be taken in this procedure. Answer:

...................................................................................................................................................................................................................................................................................................

TASK 6: Suggest three safety observations that should be adopted when using hand - files. Answer: 1) ...........................................................................................................................................................................................................................................................................................

TASK 7: Label the following diagram of a flat file.

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E X E RC I SE I AU TU MN 2018 I SPA RKS

WIRING CONTAINMENT SYSTEMS Unit 04 of EAL 7345 and 1605. Q1. State three types of surface finish that can be specified for steel conduit. Answer: ..................................................................................................................................................................................................................................................................................................... Q2.

For each of the following locations suggest the most appropriate surface finish of steel conduit to be installed:

a) A lighting installation in a warehouse storing dry goods Answer: ..................................................................................................................................................................................................................................................................................................... b) A security lighting system on the outside walls of a school building Answer: ...................................................................................................................................................................................................................................................................................................... c) A power and lighting installation in a commercial food preparation location Answer: ...................................................................................................................................................................................................................................................................................................... Q3.

Cable tray and cable basket provide support for which types of electrical service cables?

Steel trunking is generally used to provide mechanical protection for which type of cable?

a) State the requirements for a.c. circuits installed in ferromagnetic enclosures.

Answer: ...................................................................................................................................................................................................................................................................................................... b) Name the effect that may be caused if all line and any associated neutral conductors are not contained in the same ferromagnetic enclosure. Answer: ...................................................................................................................................................................................................................................................................................................... Q6.

Identify the following British Standards associated with steel wiring containment systems.

a) BS EN61386

b) BS EN50085

b) .................................................................................................................................................................

c) BS EN61537

c) .................................................................................................................................................................

a) ................................................................................................................................................................. Answer:

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SPARKS I AUTU MN 2 0 1 8 I E XE RC IS E

Q7.

Identify the minimum degree of protection (IP) rating when non-sheathed cables are permitted to be enclosed in a cable trunking system.

Answer: ..................................................................................................................................................................................................................................................................................................... Q8. Give one example where flexible conduit can be used in an industrial location where electrical machines are installed. Answer: .....................................................................................................................................................................................................................................................................................................

WORDSEARCH

Try to locate the names listed below. Words may be left to right or top to bottom. A

Conduit Ducting Trunking Cable tray Cable basket

Distance saddle Spacer bar Pink rack Bend Coupler

Inspection bend Bush Locknut Support Galvanised

Enamel Steel Flexible Adaptor Cables

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E X E RC I SE I AU TU MN 2018 I SPA RKS

F O L L A H At least there'

s PPE in this ph

oto

Buried alive

better... h did it ic ck? h w t Bu the bla r o e p a er t the silv

Come in and m

ind your step!

SPARKS I AU TU MN 2 0 1 8 I F E AT URE

While many electricians and electrical engineers are fully qualified and do a great job, there are still some people out there who do shocking work (sometimes literally!) and the results can be disastrous. Hereâ&#x20AC;&#x2122;s some examples of what not to do! We teamed up with Crap Electrical UK to showcase some of the biggest electrical tragedies around.

Don't you just

me of need to put so Looks like we ian... ic tr ec el on the those 'L'-plates

ding hate overcrow

If you tilt your head... it doesn't make this any better

You've h ea have yo rd of a can of wo u heard of a soc rms... but ket of a nts?

Tangled is n

't just a film fixes That black tape re pa ntly everything, ap

Crap Electrical UK is a Facebook group with around 30,000 members. It is run by Charles Billington, Lee Quince, Simon Allen, Lewis Boddington, Dave Spencer, Jake Simmons and Samuel Miles. If youâ&#x20AC;&#x2122;ve come across a nightmare installation, send your pictures to us and they could be featured on this page.

Email all photos to editor@sng-publishing.co.uk.

F E AT U RE I AU TU MN 2018 I SPA RKS

TEA BREAK TIME

HAND AND POWER TOOLS A

N M

R M

W D

M G

N M

W Q

D W

M H

D M

W N

G M

Pliers Strippers Hammer Transformer Hand lamp Grinder 60

Cutters Knife Chisel Charger Goggles Jig saw

SPARKS I AU TU MN 2 0 1 8 I T E A B RE AK T IM E

Terminal screwdriver Spanner Hacksaw Drilling machine Gloves Tape measure

Ruler Level Saw Lead Boots Pencil

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Try to locate the names listed below. Words may be left to right or top to bottom

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