摘要
根据JGJ 46 88施工现场临时用电安全技术规范 ,说明了施工现场保护接零的选用原则。通过对TN S保护接零工作原理的分析 ,说明了保护零线断开的危险 ,指出了重复接地的优点。详细介绍了对保护零线的要求 。
According to JGJ46 88 the safety technique codes of temporary using electricity in construction site the paper illustrates the choose principle of protective zero terminating in construction site. Through the analysis of the working principle the danger of breaking of the protective zero line is declared and the advantage of reduplication ground protection is points out. The demands for the protective zero line are introduced in detail. The difference of working zero line and the protective zero line and the attention measures of protective zero terminating are summarized.
出处
《山西建筑》
2002年第2期83-84,共2页
Shanxi Architecture
关键词
保护接零
保护零线
重复接地
施工现场
protective zero terminating, protective zero line, reduplication ground protection
