Electrical

Why do we add water to the earthing pit?

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Why do we add water to the earthing pit?

Answer

Salt and charcoal are added to the earthing pit to increase the conductivity of the soil in the earth pit.

The alternate layers of charcoal and salt maintain low resistance for earth fault currents.

Adding charcoal, salt, and watering in earthing pit decreases soil resistivity.

The layer of charcoal and salt helps to maintain low resistance for earth fault currents.

Because of ionic behavior of salt and charcoal they will maintain moisture content around the earth pit.


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