随着社会发展和电器的普及,安全用电越来越引起了人们的高度注意。城乡住房向高层建筑发展,在一般的民用建筑设计中很少考虑有专供电器设备外壳接地用接地体,故家用电器设备外壳接地成了问题。《农村电工》1996年第8期第7页《低压配电设备接地安全浅谈》一文的保护接零后接地法,为解决高层 With the social development and the popularization of electrical appliances, safety electricity has drawn more and more attention. Urban and rural housing to the development of high-rise buildings, in the general design of civil buildings rarely consider a dedicated grounding for electrical equipment shell grounding, so the electrical household appliances shell grounding has become a problem. “Rural Electrotechnical” 1996 the eighth period Page 7 “low-voltage distribution equipment grounding safety,” a text of the protection of zero grounding after the law, to solve the high-level