Sudden failure of equipment in factories, industries, failure of household appliances has become very frequent these days. Many times, the exact cause of failure does not come into the scene. Unaware people consider it as an internal malfunction of the machinery but it has been noticed that it is not any internal break down which source the failure. In actual, it is due to sudden hike in voltage or poor grounding. As we all know, earthing is the most important parameter for the protection of any equipment. Instead of redirecting fault current into the ground, poor grounding allows the current to flow into the equipment causing it to stop working. Hence, an appropriate earthing system is required for each type of equipment.
Basically, earth termination system is a system of several steps through which it conducts the unwanted charge from any equipment or transients and surges from the structure to the ground and also disperse it into the earth. The grounding process offers a low impedance path to the fault currents and transients so that they follow that path and it conducts that current to the low potential ground where it cannot harm anything.
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