ABSTRACT
Grounding is one of the main defenses against hazardous electric shocks and hazardous overvoltages. Good equipment grounding helps reduce the chances that line workers and the public get shocks from internal failures of the equipment. System grounding determines how loads are connected and how line-to-ground faults are cleared. Most North American distribution systems have effective grounding; they have a neutral that acts as a return conductor and as an equipment safety ground.
