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Mains Electricity (Wiring a plug (plug, Metal parts are made of copper or…
Mains Electricity
Wiring a plug
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The case, cable grip, and cable insulation are made of plastic or rubber as they are good insulation
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Mains safety
Common hazards = frayed cables, long cables, damaged plugs, water around sockets, metal objects into sockets
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Double insulation
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Plastic is an insulator, so it stops a current flowing - so you can't get a shock
Electrical heating
Examples = cookers, hair dryers, hair straighteners, toasters, electric blankets, kettles
When electrons pass through a wire, they can transfer some energy to make the wire hotter
The greater the resistance, the hotter the wire becomes
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