5.6 Electrical Issues Flashcards
1
Q
Why may electrical faults occur?
A
Damage to sockets, plugs, cables or appliances
2
Q
Why can two core cable be used for a hair drier
A
Plastic case, so does not need earth even though uses high number of amps
3
Q
Why are filament bulbs ineffective?
A
Most of the energy goes into heating rather than light
