Why should electrical appliances be earthed? Why is the earth pin made thicker and longer than the other two pins in a three pin plug?

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Solution

Earthing is done for the safety purpose of humans and equipment.

Earth pin is longer and thicker than other two pins because it first to connect and last to disconnect from the main source to avoid the electric shock.

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Why should electrical appliances be earthed? Why is the earth pin made thicker and longer than the other two pins in a three pin plug?

Earthing is done for the safety purpose of humans and equipment. Earth pin is longer and thicker than other two pins because it first to connect and last to disconnect from the main source to avoid the electric shock.

Earthing is done for the safety purpose of humans and equipment.

Earth pin is longer and thicker than other two pins because it first to connect and last to disconnect from the main source to avoid the electric shock.