what is the function of earth wire ? why is it necessary to earth metallic appliances
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The metallic body of electric appliances is connected to the earth wire so that any leakage of electric current is transferred to the ground. This prevents severe electric shock to the user. That is why earthing of the electrical appliances is necessary.
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The main function of the earth wire is to conduct the leaking current from the electrical appliance to the ground .The earthing of metallic appliances is necessary to prevent severe electric shock to the users. The metallic body of electric appliances is connected to earth wire so that any leakage of electric current is transferred to the ground.
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