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Bipolar single control, circuit diagram is two switches in parallel.
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Do you want to control the same lamp in two places?
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You explain to you what functions you want to achieve with water and electricity, and they will do it for you.
What you mean is that three switches can control this one light at will, and the wiring can do it completely. >>>More
Install a double switch, the switch must be a double control. Generally, the power supply passes through the door, and the wire of the top light is also connected from the switch box at the door, and there is no wire at the bedside switch. >>>More
Yes, from the right switch box is pulling three wires to the left, and the right side is changed, and it becomes a double-pole double-throw switch.
Each switch is three wires, and the specific connection method is shown in the following figure
One light is connected to three switches, okay, give you a circuit diagram, you can just look at the diagram and connect it yourself.