How to wire a three way switch step 1 the breaker phase black wire neutral white wire as well as the ground green wire must be landed in the. Its likely youll also need to replace the.
3 Way Switch Wiring Electrical 101
Wiring three way switches. Step 3 connect the. Connect the ground wire to the green screw. You will run the three conductor wire from the box you just ran. Add an electrical box for the second 3 way switch in the basement. The system also requires three way switches. Should be your two conductor.
When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Secure the white wire to the second wire with the same. Flip off power in the room youre working. Before you even start wiring you want. Turn off the correct circuit at your electrical panel. Run three conductor wire between both boxes.
Connect the two remaining traveler wires to the two brass or light colored screws. With these diagrams below it will take the guess work out of wiring. Slide the 2 wire nm power cable. Its likely youll also need to replace the. All three way switch and 2 way switch wiring diagrams have the same basic components. Head to your fuse box and make sure there is no power coming to the room.
Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. Run new cable romex between the 3 way switches. Step 2 connect the black wire to the input 1 of your switch. Connect the wire marked common to the black or dark colored screw. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Screw your two boxes and light fixture into place then gather your supplies.
Either way complete these five steps for 3 way light switch wiring. The power wire the neutral wire and the traveller or switch wire. Once your boxes are in place you can start the process of installing and wiring the switches themselves. Refer to the above 3 way switch diagram. The cable should also have a ground wire or a total of four wires in the cable. Regardless of what 3 way switch wiring diagram youre following youll need to use a 3 wire cable to connect the two 3 way light.
Take a closer look at a 3 way switch wiring diagram. Wiring the switches 1. Feed power wire thru either one of the boxes. Three way switches require a three wire cable. How to wire a three way switch step 1. This might seem intimidating but it does not have to be.
Run power wire into one of the boxes. If you are trying to troubleshoot a 3 way switch operation then you will need to identify the function of each wire.
Gallery of Wiring Three Way Switches
