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. Attach the black power cable from the wall to the general screw black in the three way light switch.
3c682db Screws Three Way Switch Wiring Diagram Wiring Library
How to wire a three way switch. Hook the curled end of the wire under the screw then tighten down the screw to hold the wire firmly in place. Run power wire into one of the boxes. This first step will eventually send power directly to the light fixture. Wire nut the neutral white wires together. Run 2 2 wire conductors between the two boxes. Run three conductor wire between both boxes.
Connect the two remaining traveler wires to the two brass or light colored. Connect the ground wire to the green screw. You will run the three conductor wire from the box you just ran. Connect the wire marked common to the black or dark colored screw. Either way complete these five steps for 3 way light switch wiring. Should be your two conductor.
Its likely youll also need to replace the. 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. How to wire a three way switch step 1. Feed power wire thru either one of the boxes. Install larger electrical boxes.
When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Add an electrical box for the second 3 way switch in the basement. 3 way switches involve more cables so you will need a little more room to work. Its likely youll also need to replace the.
Gallery of How To Wire A Three Way Switch
