Its likely youll also need to replace the. Connect the two remaining traveler wires to the two brass or light colored.
3 Way Switch Wiring Diagram
How to wire a three way switch. Run power wire into one of the boxes. You will likely need larger boxes than you already have if you are replacing a regular single pole switch. Wire nut the neutral white wires together. Hook the curled end of the wire under the screw then tighten down the screw to hold the wire firmly in place. Add an electrical box for the second 3 way switch in the basement. Run 2 2 wire conductors between the two boxes.
Feed power wire thru either one of the boxes. Connect the ground wire to the green screw. You will run the three conductor wire from the box you just ran. Install larger electrical boxes. Connect the wire marked common to the black or dark colored screw. How to wire a three way switch step 1.
Attach the black power cable from the wall to the general screw black in the three way light switch. This is the existing white neutral wire coming into the box and the new white neutral wire from the 3 wire romex youre going to use to connect the other 3 way switch you will install in a minute. Should be your two conductor. This first step will eventually send power directly to the light fixture. Its likely youll also need to replace the. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn.
Turn off the correct circuit at your electrical panel. 3 way switches involve more cables so you will need a little more room to work. Either way complete these five steps for 3 way light switch wiring. Run three conductor wire between both boxes.
Gallery of How To Wire A Three Way Switch
