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why earth hole size is biggest in plug point?
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Answer Posted / n.d.mahesh
usually all the metal body equipments have the earth for
example washing machine, refrigerator ,oven.we cannot see
the earth pin in the t.v,this is for the protection that is
the metals are good conduactors and when human intend to
touch then it causes shock,if there is any leakage in the
circuit.so to prevent this we are using the earth.
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