发布时间:2025-02-09 16:48:50
开关都是控制一根火线的,一根火线进去后并到其它开关上,上面进电源线,红线是往其它开关并接的。下面接用电器的四个火线,一根去一个灯,然后每个灯的零线直接和电源线的零线接好,开关就可以控制了
如何将小区配的中央空调的3速开关4芯线更换为液晶温控器7芯线
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