Duplex light switch: Make sure you have a suitable duplex light switch for your specific wiring project. Wire stripper: A wire stripper is essential for removing the insulation from the wires. Screwdriver: Depending on the type of screws used in your duplex light switch, you will need a suitable screwdriver for the installation.. Wiring Two Switches for Two Lights. Here two switches are wired in the same box to control two separate lights. The source is at the box and a 2-wire cable is run to each light. The source hot is spliced to one terminal on SW1 and SW2 with a pigtail. The other terminals are connected to a black wire running to a light fixture.
A duplex switch contains two switches on one body. They come in single pole and 3-way. Two of the common terminals are connected together with a removable metal tab. These terminals are usually connected to line voltage and can be black or bronze color depending on the manufacturer. This tab is removed to isolate the tabs from each other.. For example, you might want to turn on a bathroom light separately from the ceiling fan. To wire a double switch, you'll need to cut the power, remove the old switch, then feed and connect the wires into the double switch fixture. Though it is not difficult to wire a double switch, careful attention to safety is crucial to prevent injury.