Wiring a double light switch allows you to control two separate lights or circuits from a single location. This can be useful in a variety of situations, such as controlling the lights in a room from two different entrances or controlling two different sets of lights in the same room.
Double light switches are relatively easy to wire, and the process is similar to wiring a single light switch. However, there are a few important things to keep in mind when wiring a double light switch.