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Get Answers to all your Questions
Q. 18. What is the function of an earth wire? Why is it necessary to earth metallic appliances?
Answers (1)
The main function of the earth wire is to prevent the live wire from overloading and absorbs the excess electrons & flows to beneath the ground. It is necessary because it prevents electrical appliances from getting damaged and absorbs the excess electricity from appliances.
in other words, whenever we have a connection to the ground the leakage current or the overload current can be transferred to the ground directly and the events of shock can be prevented in which the current passes through the body of the person touching the metallic appliances.
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