If you do have this wire, Donnelly says to attach it to the green screw, which will be on your light switch. Step 5: Replace the switch plate Use a screwdriver to place the switch plate back on ...

Next, refer to the switch-wiring photo you took earlier to connect the existing wires to the new switch. Here’s how a single-pole switch is typically wired: The electrical box usually has two ...

After you have run the Romex from the fixture to the box that will hold the wall switch, it is time to connect the wires. Strip 5/8" of insulation from either end of each wire.