Connection scheme of single-open and double-control switch

Wiring diagram of single-open and double-control switch:

Preparation tools: single-open and double-control switch, wire and screwdriver.

1, a pair of two-control switches means that two different places control a light, and there will be three wiring holes L, L 1 and L2 on the switch.

2. As can be seen from the sketch below, the live wire is directly connected to the L hole of the switch, and the zero wire is directly connected to the lamp. The double wires are respectively connected to the L hole and L2 hole of two switches, and one end of the control line is connected to the L hole of the other switch, and the other end is connected to the lamp.

3. From the figure below, we can see how the double-control switch pays off when it is turned on. Two power cords are put into the light box in the electric box, one is the live wire and the other is the zero wire. The live wire enters the 1 switch box, and the zero wire is left in the light box. Double line from 1 switch box to No.2 switch box, and control line from No.2 switch box to light box.

4. As can be seen from the figure below, the L hole of switch 1 is connected with live wire, and the double wire is connected with national cable L 1. L2, the L hole of No.2 switch is connected to the control line, L 1, L2 is connected to the double line, and the double lines of the two switches need not be L 1 to L 1, and L2 is connected to L2.

5. The following is the finished product drawing.