Usually we use two different types of sockets (a) two-pin socket and ( – InterviewSolution

1.	Usually we use two different types of sockets (a) two-pin socket and (b) three-pin socket. What purpose does the thrid pin in a three-pin socket serve ?
Answer» Solution :SOCKETS are provided to connect movable ELECTRICAL appliances. We have TWO different types of sockets. (a) Two-pin socket : One pin a connected to a live wire and other pin is connected to a neutral wire. (b) Three-pin socket : One pin of connected to a live wire, second pin is connected is essential to GROUND leakage current or the unwantedcurrent that FLOWS accidentally through theouter cover of the appliance.

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