明确统一的标志是保证用电安全的一项重要措施。从事故的统计中可以看出,不少电气事故是由于标志不统一而造成的,如由于导线的颜色不统一,误将相线接设备的机壳,而导致机壳带电,甚至使操作者触电死亡。 标志分为颜色标志和图形标志。颜色标志常用来区分各种不同性质。不同用途 A clear and unified symbol is to ensure the safety of electricity is an important measure. As can be seen from the statistics of accidents, many electrical accidents are caused by inconsistent signs. For example, the color of the wires is not uniform, the cabinets are mistakenly connected to the equipment and the cabinets are charged, and even the operator Electric shock death. Signs are divided into color signs and graphic signs. Color signs are often used to distinguish between different kinds of properties. Different uses