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why one pin of plug pin is longer than other two? In some
mobile chargers one pin is made not conducting .Why?
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Answer Posted / hm
earthing pin is longer bcoz when we put into the socket, 1st
it gets contact with the earthing point so discharges the
charges remaining previously on the equipment if any, and
neutralizes the surface of equipment 1st. then the other two
pins get contact with phase and neutral of socket.
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