Through the wire joint pipe should be located in the junction box, the lap joint should be solid, insulating tape wrapping should be uniform and compact.
穿入配管导线的接头应设在接线盒内，接头搭接应牢固，绝缘带包缠应均匀紧密。
Through the wire joint pipe should be located in the junction box, the lap joint should be solid, insulating tape wrapping should be uniform and compact.
穿入配管导线的接头应设在接线盒内，接头搭接应牢固，绝缘带包缠应均匀紧密。
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