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Why is the earth pin of the three pin plus is longer and thicker than other two for phase and neutral?

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Question added by Arif Muhammad , Assistant Engineer , Pakistan LNG Terminals Limited
Date Posted: 2014/02/21
Sohail Sohail
by Sohail Sohail , Safety and Electrical Equipments , Khyber textile mills

Because we are using a heavy load mechinery in a3 pin socket and we desigen it for a heavy load ,inplace of a2 pin socket.

Mozammil Nafis
by Mozammil Nafis , Technical Team Leader in an E-Commerce , AVV Enterprises Pvt. Ltd

The larger the surface area, the less will be the resistance offered to the current. The pin is made longer and thicker so that the maximum amount of current flows to the earth.

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