The main reasons why there should be a proper grounding installation are:
To protect the lives of humans and animals.
To ensure the correct performance of equipment protection systems.
To eliminate or reduce the risk of equipment damage.
To guarantee the reliability of the electrical power service.
The direct grounding, using buried electrodes, of current-bearing parts of electrical equipment that must be electrically isolated is essential to ensure that they are not accidentally subjected to dangerous voltage..
The key characteristics of a good grounding installation are:
Providing a low impedance path to the ground.
Withstanding and dispelling repeated fault currents and short circuits or lightning strikes.
Being sufficiently resistant to corrosion to ensure performance throughout the lifetime of the equipment being protected.
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