EXERCISES | SPARKS
EXERCISES W
e’ve been lucky enough to collaborate with electrical expert Mike Davies, who has been in the industry since the 1970s. Mike became a qualified electrical engineer after completing an apprenticeship when he left school at 16.
He became a college lecturer in 1980 after completing a Further Education teacher training qualification. Now retired, Mike works as a self-employed lecturer and training consultant.
LIGHTING SYMBOLS
Covering: Level 3 (2365-03) Diploma in Electrical Installations (Buildings & Structures) Unit 302 or EAL equivalent
The following task requires completion of the table showing quantity, symbol, unit and unit symbol for lighting terminology.
QUANTITY
SYMBOL
Luminous Intensity
I
UNIT
Φ
Im
Illuminance
Lux
Luminance
Candela / sq. m
N/A
UNIT SYMBOL
Lumens / watt
Lm / w
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