Give two reasons why the earth pin in a three-pin plug is longer than the other pins.
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1. It helps in opening up the shutters, which facilitates the insertion of the other pins, that is, N and L.
2. For ensuring that the Earth pin makes contact first when plugged in and last when plugged out so as to avoid chances of an electric shock.
1. Facilitate opening of the other holes for easy entry if the live and neutral pins.
2. Earthing to prevent risks of electric shock