You told in topic Domestic Electric Circuit that a plug of 3 pins consists of Earth pin, Live pin and Neutral pin. But for some plugs having only 2 pins don't have Earth pin or have Earth pin?

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Solution

2 pin doesn't have earth pin
They have phase(live pin) and neutral pin
It is dangerous when Short circuit or overload
But it is overcome by equipment giving a non metallic cover like plastic to surface of equipment

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You told in topic Domestic Electric Circuit that a plug of 3 pins consists of Earth pin, Live pin and Neutral pin. But for some plugs having only 2 pins don't have Earth pin or have Earth pin?

2 pin doesn't have earth pin They have phase(live pin) and neutral pin It is dangerous when Short circuit or overload But it is overcome by equipment giving a non metallic cover like plastic to surface of equipment

2 pin doesn't have earth pin
They have phase(live pin) and neutral pin
It is dangerous when Short circuit or overload
But it is overcome by equipment giving a non metallic cover like plastic to surface of equipment