Video of five-hole wiring diagram of Yi Deng double-control switch

L is connected to the fire line, and n is connected to the zero line. PE grounding wire. L 1 lamp control line.

Double-control switches with one opening and five holes, if used in pairs, are two double-control switches with one opening and five holes, as shown in the following figure;

If it is a five-hole double-control switch with one opening and one double-control switch, then ignore the socket on the other switch (see some connections in the thin line box on the right in the figure) and there is no need to install three wires of the socket.

Exposed and concealed fittings are only different in the position of wires, one is on the wall and the other is inside the wall.

On the switch, the sign of the fire line is L 1, a green line, one connected to L 1 1 and L1/and one connected to L 12 and L12;

On some switches, the symbol of the fire line is L, a green line, one is connected with L 1 and L 1, and the other is connected with L2 and L2.