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Card 6

Front

What is the potential of the neutral terminal?

Back

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Card 7

Front

How are electrical appliances connected to the mains supply?

Back

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Card 8

Front

Why is the outer cover made of plastic or rubber?

Back

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Card 9

Front

What are the pins of the plug made of?

Back

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Card 10

Front

What colour is the Earth Wire?

Back

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Card 11

Front

What colour is the live wire?

Back

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Card 12

Front

What colour is the neutral wire?

Back

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Card 13

Front

Why does a hair-dryer with a plastic case not need to be earthed?

Back

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Card 14

Front

What cables does an appliance with a plastic case have?

Back

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Card 15

Front

Why do appliances with metal cases need to be earthed?

Back

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