Grounding conductors come in different categories with specific functions. The two primary grounding conductors used in electrical systems are the grounding electrode conductor (GEC) and the equipment grounding conductor (EGC). The GEC connects the system neutral and service equipment to the grounding electrode system (GES). The intent of the system is to direct objectionable energy from lightning and power surges to the earth. It is often misinterpreted as a protection of people from electric shock. This is not true. The EGC is designed to provide a low impedance path back to the power ...
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