前几年，锦州地区发生过多起因雨水淋湿了设备的电源，使电路中的继电器在雨水的流淌作用下自行接通，设备在无人操纵的情况下自行起动运行，酿成事故，造成严重损失。下面就谈一谈我们所经历的几个事例。初夏的一天，在锦州某建筑工地，下班以后，工人忘记了拉闸切断总电源，? A few years ago, Jinzhou area too much rain caused by wet equipment power, so that the relay in the circuit in the rain under the action of the flow of its own equipment, equipment in the case of unmanned start their own operation, causing an accident, resulting in Serious loss. Let’s talk about a few examples we have experienced. One day early summer, a construction site in Jinzhou, after get off work, workers forgot to pull off the total power supply?