Earthing System.
Earthing is a safety system that connects non-current-carrying metal parts of electrical equipment to the earth. Its main purpose is to protect people and equipment from electric shock, fire, and damage due to fault currents.
Good Earthing Resistance Value
Domestic: ≤ 5 Ohms
Industrial: ≤ 1 Ohm
Substation: ≤ 0.5 Ohm
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