A well-designed earthing system is essential for any electrical installation to avoid dangers associated with fault currents. Good earthing protects both equipment and people against dangerous step & touch voltage. A borewell type chemical rod earthing provides a very low resistance as compared to salt charcoal earthing.
To provide protection to people by limting the step and touch voltage
To protect installations and equipment by providing a low impedance path for fault currents
To improve the quality of the signal by minimizing the electromagnetic noise
To provide an equipotential reference voltage for the system
Expected life more than 20 years
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