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