Question

what is earth wire?how it works in our domestic circuit?​

Answer 1

Answer:

we connect the earth wire to metal casing of electrical appliances by using three pin plug. If by chance, live wire touches any metal case parts of appliances then current passes directly to earth. hence earthing is used as safety measure to prevent shock from metal objects.

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Answer 2

Explanation:

we connect the earth wire to metal casing of electrical appliances by using three pin plug. If by chance, live wire touches any metal case parts of appliances then current passes directly to earth. hence earthing is used as safety measure to prevent shock from metal objects.

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