Preventive Detection of Electrical Fire in Branch Circuit

Ren Changning（IDEAL INDUSTRIES，Inc. Beijing Office，Beijing 100738，China）

 

 

作者信息

任长宁，男，美国理想工业中国有限公司北京代表处，高级工程师，IEC TC64 工作组成员，国际铜业协会（中国）会员、综合布线工作组成员。

 

Abstract Through the analysis of the major causes of electrical fires in branch circuit，i. e.，circuit overload，poor connections and harmonics，combined with electrical fireproofing codes at home and abroad，and the specific circumstances of the processes，apparatus and inspection instruments used in practical engineering，the recommendations have been put forward in construction，acceptance，repair and maintenance of the branch circuit，emphasizing the use of appropriate preventive detection equipments to improve power utilization security.

Key words　Electrical fireproofing　Metallic short - circuit 　Arc short - circuit　 Grounding fault　Poor connection Wire connector　Detecting appliance

 

摘　要　通过对分支回路的线路过负荷、连接不良和谐波等电气火灾主要成因的分析，结合国内外电气防火规范，以及实际工程中使用的工艺、装置及检验仪表的具体情况，对分支回路的施工、验收、维修、维护提出建议，强调借助适当的预防性检测器具，提高用电安全性。

关键词　电气防火　金属性短路　电弧性短路　接地故障　连接不良　导线连接器　检测器具