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包頭電線顏色不同是什么意思?

2022-12-29 12:46:49 49

包頭津達線纜標準關于電線顏色*一般用紅色來表示L(帶電)線,就是帶電的線;

藍色代表N(中性)線,即零線;黃綠(俗稱花線)表示地線(E)。

根據標準(GB681),為識別成套設備中各類導線的作用和類別,各類導線的顏色標志規定如下:

1。黃色-交流三相電路的一相,相

2。綠色-交流三相電路的二相。

3相,紅色——交流三相電路的三相,

4相,淺藍色——如果交流三相電路的零線或中性線接三相,只需要黃、綠、紅三根線;

如果連接的是單相電機,那么黃、綠、紅三相中的任意一相都連接淺藍色。


无码毛片一区二区在线试看

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