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如何接双控开关照明电中
更新时间： 2020-09-24 00:00:00  

1、用两只有三个接点的双控开关；

2、一只开关的中间点接220V火线，另一只开关的中间点接灯的一端；

3、灯的另一条线接零线；

4、剩下的两只开关各两端四个接点交叉相连。

关键词： 如何 开关 明电

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