WHY EARTH PIN OF THREE PIN PLUG IS LONGER AND THICKER THAN OTHERS

in technical •  6 years ago  (edited)

Earth pin is long for first to get connected so if any leakage to body of equipment from live line inside equipment will pass through the earth and
person will safe . they are Thicker to give more area of
contact so that leakage current will pass with less
resistance instead of passing through the working person.

technical electricity
6 years ago by

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