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Anonymous users2024-01-23If the 4 wires of the wall wire box are standard electrician wiring, there should be one less red live wire, blue is the neutral wire, the yellow and green double color (one line is half yellow and half green) wire is the ground wire, and the 2 yellow wires are the controlled live wires of the original switch output, which are the power live wires that go to (supply) the two bulbs respectively.
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Anonymous users2024-01-22Look at who pulls the line.
2 lights are 2 yellow lines.
Medium indirect blue line.
The third wire can only be connected to two switches, and it is enough to connect two switches. >>>More
If there is space in the wire pipe, you can find a steel wire and use the wire in the wire pipe to wind the steel wire, pull the power cord to bring the steel wire in, and wrap the power cord to be threaded on the steel wire, (pull out one and pass it into 3 or four) Pull the wire to wear it, try it.
You are non-standard wiring, you can't see it. The line of fire enters the middle head, and the other two are connected to the other two heads.
According to the first photo, there should be four or three wires (there are two wiring methods); >>>More
Two individually controlled switches on one panel are called double-open and single-controlled.