Each of the gangs or switches above in fig 2 of which there are two work like this fig 3. Three wire cable is supplying the source for the switches and the black and red wires are each connected to one switch.
A Two Gang Schematic Wiring Wiring Diagram
Wiring a double gang light switch. Connect the pigtail to the ground screw on the double gang switch. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. Then youll run additional cables from the switch box to wherever the light fixtures are located. If you are extending a circuit from an existing receptacle outlet to power light fixtures wired through a double switch box you will need to install a double switch box then run nm cables from the feed outlet location to the switch box. Therefore the instructions moving forward will assume a single gang smart light switch with a neutral wire like wemos smart light switch. Connect the three ground wires together along with a pigtail with a wire connector wrap it with electrical tape and.
A 1 gang switch will control a single lighting circuit and with a 2 gang switch you can control two lighting circuits and so on. To wire a double switch youll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. Wiring diagrams for double gang boxes. Turn off the power going to the circuit youll be working on at the circuit breaker. The black wire from each light is connected to one of the switches and the source neutral and ground are shared by the two light fixtures. Erika rawesdigital trends step 3.
Typically these switches will be used to operate two separate lights with power coming from a common source wire. Remove your old. However if you need two switches to control a single lighting circuit such as in the case of at the head and foot of stairs so you can switch the lights on and off in both places you need to understand a 2 way switch. Two way means that the switch has two positions on and off and two gang means that two switches are packaged together. In position 1 when the switch is down or on com and l1 are connected together just like the one way switch. In position 2 when the switch is up or off com and l2 are connected together.
Gallery of Wiring A Double Gang Light Switch
