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不可忽视的零线郑文冬︵江苏省建安公司︶ＪＧＪ４６－８８《施工现场临时用电安全技术规范》规定，施工现场用电设备的保护应采用ＴＮ－Ｓ系统。大部分施工企业已按此规定，改善了施工现场安全用电条件，减少了触电事故的发生。但从施工项目的安全检查中发现，有些施工现...
Non-negligible zero line Zheng Wendong (Jiangsu Jian’an Company) JGJ46-88 “Technical Specification for Temporary Electrical Safety at Construction Sites” stipulates that TN-S systems shall be used for the protection of power equipment at the construction site. Most construction companies have already made this provision to improve the conditions of safe electricity use on the construction site and reduce the occurrence of electric shock accidents. However, from the safety inspection of construction projects, some constructions are now...