When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. Here a ceiling fan with a light kit is controlled with two 3 way switches.

Light Switch Toggle Switch Wiring For House Lihghting 7
3 way toggle light switch wiring. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Connect the wire marked common to the black or dark colored screw. Take a closer look at a 3 way switch wiring diagram. A three way switch is built and wired a little differently than a conventional single pole light switch. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. In this wiring the source is at sw1 and 3 wire cable runs between each switch and the ceiling fan.
The most basic three way switch setup has two switches that connect and control one light fixture like switches on either end of a hallway staircase or large living area. 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 switches. The three way switch is a variation of the standard single pole switch which controls a light only from one locationa third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locationsthis configuration may be used in open plan homes or in large kitchens or great rooms where a central bank of lighting fixtures might. Connect the ground wire to the green screw. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Ceiling fan 3 way switch wiring.
Three way light switches control a light from two locations such as from both ends of a staircase or hallway. These diagrams illustrate how to wire a pair of three way light switches in three different situations. This is the same arrangement as the second diagram on this page with a fan in place of the light fixture. With these diagrams below it will take the guess work out of wiring. Connect the two remaining traveler wires to the two brass or light colored screws. The ul listed toggle switch features back wired and side wired installation options.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. The leviton 20 amp 4 way commercial switch is the leviton 20 amp 4 way commercial switch is designed for use in conjunction with 2 3 way switches not included in a 4 way circuit to provide light control from 3 locations. This might seem intimidating but it does not have to be. Interested in a 4 way switch wiring diagram. Wiring a 3 way light switch.