Then use a voltage tester to make sure that the circuit is dead. To replace a three way switch follow these steps.
3 Way Switch Wiring Diagram
Rewire 3 way switch. Connect the two remaining traveler wires to the two brass or light colored. A three way switch is built and wired a little differently than a conventional single pole light switch. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Unscrew and remove the switch plate. Three way light switches control a light from two locations such as from both ends of a staircase or hallway.
Turn off the power to the switch at the circuit or fuse panel. Turn off the correct circuit at your electrical panel. Turn off the breaker controlling this light. Add an electrical box for the second 3 way switch in the basement. Take a closer look at a 3 way switch wiring diagram. Connect the wire marked common to the black or dark colored screw.
Its likely youll also need to replace the. Either way complete these five steps for 3 way light switch wiring. This might seem intimidating but it does not have to be. Heres a fail safe process to fix a three way setup that isnt working. With these diagrams below it will take the guess work out of wiring. For starters it doesnt have off and on printed on the toggle and it doesnt have a top and bottom.
You may also need to cut additional breakers if either or both of the. Its likely youll also need to replace the. Unscrew the switch from the electrical box and pull it out with the wires still attached. Connect the ground wire to the green screw. 3 way switch wiring diagram. Disconnect all wires from both of the 3 way switches but do not unwrap or un nut any of the twisted wire.
Gallery of Rewire 3 Way Switch
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