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