The earthing applied at places where it is difficult to
dig pits of desired depth due to rocky soil is called
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Chemical earthing
Explanation:
The earthing applied at places where it is difficult to dig pits of desired depth due to rocky soil is called Chemical earthing
In chemical earthing, compounds based on bentonite or graphite are used in addition to simple earthing electrode. This benefits in enhancing the soil condition and offering less ground resistance. This is used in soils where it is difficult to dig deeper earthing rods solely
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