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现象接头不牢,由于接触不良使接头处温度升高甚至引起火灾。原因分析导线接头未按规范要求做。预防对策 1.对2.5mm~2～6mm~2单股导线(同材质)应在互绞三圈后再将每一线端环绕
Phenomenon of joint is not strong, due to poor contact to the junction temperature even caused a fire. Analysis of the reasons wire connectors do not follow the requirements. Preventive measures 1. 2.5mm ~ 2 ~ 6mm ~ 2 single strand of wire (the same material) should be twisted three times after each wire around each end