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What affects earthing value?

Nothing can be compromised when it comes to safety. Chemical earthing systems do provide enhanced protection from lightning and electrical surges, however it is necessary to keep a check on the ground earthing system values. The resistance offered by the earth electrode to the flow of current into the ground is known as the earth resistance or resistance to earth. This resistance value is commonly referred to as earthing value.

The most acceptable earthing value is five ohms.

However there are various factors governing the earthing value.