what is the function of an Earth wire why is it necessary to earth metallic casing of electrical appliances
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what is the function of an Earth wire why is it necessary to earth metallic casing of electrical appliances
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The main function of the earth wire is to prevent live wire from overloading and absorbs the excess electrons & flows to beneath the ground . It is necessary because it prevents the electrical appliances from damage and absorbs the excess electricity from appliances.