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某多层住宅楼在交付使用一段时间后,用户电气线路发生故障,在修复时发现户内的闸箱有几个回路一合闸就跳闸的异常现象。1.事故经过进一步检查发现,有的管内导线是好的,而有的管内导线
After the delivery of a multi-storey residential building for a period of time, the user’s electrical line has failed. During the repair, it was found that there were several anomalies in the indoor gate closures caused by the closing of several loops. 1. Accident After further examination found that some of the tube is good, while some of the inner tube guide