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怎么用usb线接灯？

2025-04-08 01:55:22

推荐回答（1个）

回答1：

你好！你这个usb线缆有多股，接灯的话，任选两根即可，有颜色上的区别，所以不会接错，对于灯具本身，不用考虑接哪根线，你只要搞清楚总线路上的火线和零线，开关控制的是火线，从灯具引出的两根线，任选一个进开关，另一根接零线，开关另一端接火线。

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