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人们对于电气设备的地线和零线有时不加区分,将零线误认为地线,给电气安全带来隐患一、保护接地的概念及保护原理电气设备的某些部分与土壤之间做良好的电气连接称为接地。为了保障人身安全,防止间接
People sometimes do not distinguish between the ground and the neutral wire of an electrical device. They misunderstand the neutral wire as a ground wire and cause a hidden danger in electrical safety. The concept of a protective grounding and the protection principle Some parts of an electrical device are good to the soil. The electrical connection is called grounding. To protect personal safety and prevent indirect