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笔者发现一些地区在安装有线电视、电话线等弱电线路时,为了方便或美观,不另再在墙上打孔,而是直接将有线电视线、电话线挤在家庭电力线(即“三线”)进户孔内,一齐进户。殊不知,这样做存在以下安全隐患和危害。(1)引发触电事故。强、弱电线路挤在一起,很容易混淆,万一维修人员混淆,将强、弱电线路弄错,就会发生触电事故。同时,使用时间久了,因老化、磨损等原因,强、弱电导线的绝缘有可能损坏,一旦损坏或弱电线路
In some areas, the author found that in order to be convenient or aesthetically pleasing to the public, when installing weak lines such as cable television and telephone lines, the cable lines and telephone lines are directly squeezed in the household power lines (that is, “three lines ”) Into the home hole, all together. As everyone knows, there are the following security risks and hazards. (1) Trigger electric shock accident. Strong, weak lines crowded together, it is easy to confuse, if maintenance staff confused, strong and weak lines wrong, it will happen electric shock accident. At the same time, the use of a long time, due to aging, wear and other reasons, strong and weak wire insulation may be damaged, once damaged or weak lines