Electricity in the home

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What 9 hazards are in the home?
long cable , frayed cables , cables in contact with hot or wet , water near sockets , shoving things into sockets , damaged plugs , too many plugs in one socket , lighting sockets without bulbs in , appliances without covers on
1 of 9
Most cables have?
three separate cables
2 of 9
Most electrical appliances are connected to?
the mains supply by three core cables
3 of 9
This means?
that they have three wires inside them , each with a core of copper and coloured plastic coating
4 of 9
The brown live wire in a mains supply alternates between?
high +ve and -ve voltage
5 of 9
The blue neutral wire is always?
at OV
6 of 9
Electricity normally flows ?
in and out through the live and neutral wires only
7 of 9
The green and yellow earth wire is for?
protecting the wiring, and for safety it works together with a fuse to prevent fire and shock
8 of 9
It is attached to?
the metal casing of the appliance and carries the electricity earth should something go wrong and the live or neutral wires touch the metal case
9 of 9

Other cards in this set

Card 2

Front

Most cables have?

Back

three separate cables

Card 3

Front

Most electrical appliances are connected to?

Back

Preview of the front of card 3

Card 4

Front

This means?

Back

Preview of the front of card 4

Card 5

Front

The brown live wire in a mains supply alternates between?

Back

Preview of the front of card 5
View more cards

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