电气配线中,每个线头必须标明线号。以往,我们采用了以下两种方法。一种是,在每个线头上套电木零件,用白铅油在电木上写上线号;另一种是,在线头上套塑料管或漆布管,再将打有线号的钢纸牌拴在线头上。这两种方法都有缺点,主要是:1.电木零件每个价值0.13元,我们武建电装公司工程处每年施工的线头都在一万个以上,这笔费用是很大的;2. In electrical wiring, each wire must be marked with a wire number. In the past, we used the following two methods. One is to set the bakelite parts on each thread end and write the number on the bakelite with white lead oil; the other is to put a plastic tube or a lacquered cloth tube on the wire head, and then to play the steel paper card with the wire number. Online head. Both of these methods have their shortcomings. The main ones are: 1. Each value of bakelite parts is 0.13 yuan. We have more than 10,000 threads per year for the construction work of the Wujian Denso Co., Ltd. This is a great expense; 2 .