How is earthing wire used?
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it fonnects theplug to the ground preventing from electric current
jaspreetSinghkohli:
*connects
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It's a safety wire which is kept at 0 potential. It is used in the circuit for appliances which is made up of metal or they have metallic body. When there is a overload or a short circuit the excess electricity in the appliance is sucked up by the earth wire,as it provides a zero potential path for electric current to flow to the earth.
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