EXERCISES | SPARKS
ELECTRICAL INSTALLATION: BUILDINGS & STRUCTURES For each question, decide if the answer or statement is true or false. You may need to refer to your notes or suitable text books.
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Q2
Q3
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Q5
Q6
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Q8
General revision Level II Covering: Unit 201 / 202 / 203 / 204 of C&G 2365-02 or EAL equivalent
Personal injury caused by unplanned or undesirable events is generally called an ‘accident’.
Health & Safety signs that are coloured RED are mandatory and must be obeyed.
In local electrical power distribution, the term ‘Ring-Main’ refers to the high voltage cable feeding and linking a group of local sub-stations.
The device that ensures disconnection or separation of electrical equipment from every source of electrical energy is called a ‘Safety Switch’.
The main earthing terminal located inside a consumer control unit is designed to provide a common connection point for all final circuit protective conductors and protective bonding conductors to the means of earthing for the installation.
The metallic enclosure forming part of any electrical equipment is called an ‘extraneous conductive part’.
The wording found on the label of a BS951 earth clamp is ‘Electrical Earth Connection Do Not Remove’.
Four fixed value resistors each have a resistance of 8Ω. If the four resistors are connected in parallel the combined resistance will be 32Ω.
TRUE FALSE
TRUE FALSE
TRUE FALSE
TRUE FALSE
TRUE FALSE
TRUE FALSE
TRUE FALSE
TRUE FALSE
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