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Anonymous users2024-01-23It's very simple, the incoming line is connected to L, L1, L2 to your bedside L1L2, L out, zero line through.
To buy a multi-control switch, it must be installed in the middle seat
Find an electrician to help you get it directly, it is not recommended to get it yourself, it is not safe.
It is necessary to connect two wires, and these two wires are one through and one is disconnected, because the dual control is in the form of breaking and opening. The live wire is connected to the switch at the door, and a wire is connected to the head of the bed to the light (switch control line).
It's a double switch, buy the kind of three-position switch two, one at the head of the bed and one at the end of the bed, and the wiring diagram is.
Two dual-control switches, wiring according to the figure. >>>More