Why is the earth connection important?

Why is the earth connection important?

If your device or a cable in the device develops a fault, it is possible that sparking can occur under certain circumstances. In the case of 3-pole devices, the earth connection ensures that the current is safely conducted away and that there is no danger of an electric shock.

The earth connection is leading, which means the plugs have been constructed so that the earth connection is made before the mains pins make connection with the live current, so protection is provided before electrical current can flow.

 

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