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This should be a dual-control wiring board, used for single control, the live wire is connected to any end in the middle, and the other intermediate ends are connected with a jumper, and the control wire of the lamp is connected to the position of the screw at the lower end.
Just follow the picture below to wiring it.
One 2-core power cord (color: blue, red) One 5-core switch cable color (white, blue, brown, black, yellow), switch wiring is: white wire switch lighting. >>>More
It should be said that there are four wires in the control box on the wall, right? If that's the case, then here's why: >>>More
There are a total of 5 bath bomb light lines, and a zero line is pulled in the ceiling to connect directly to the zero line of the bath bomb. The remaining 4 are led to the switch, and the switch leads to a live wire, which is connected to the common end of the 4 switches, and the other end of the 4 switches is connected to the lamp heating 1, lamp heating 2, ventilation and lighting controlled by each other.
Find one end of the fire wire switch of the lamp, and the other end of the switch can be tried one by one.