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.
How To Wire A 3 Way Switch Using 14 3 Wire As Traveler Wires
How to wire a 3 way switch. A 3 way switch will not have the words on or off written on it. Replace any regular switches with the 3 way switches. Connect the two remaining traveler wires to the two brass or light colored screws. Connect the wire marked common to the black or dark colored screw. Wiring a 3 way light switch. 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.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Each 3 way switch in these examples are controlling the power source to the same load. To wire a 3 way light switch youll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. Take a closer look at a 3 way switch wiring diagram. First run a 2 wire cable from the wall power to the black screw on 1 of the switches. This might seem intimidating but it does not have to be.
Traveler wire terminals these are located on each side of the switch towards the top of the switch. Before you start installing take a look at your new 3 way switch to identify all of the terminals that you will be connecting wires to. Connect the ground wire to the green screw. Then a 4 wire cable going between the two 3 way switches and then a 3 wire cable going from the switches to the load. When wiring a 3 way switch circuit we will be using a 3 wire cable known as romex coming from the source such as the breaker box. With these diagrams below it will take the guess work out of wiring.
Gallery of How To Wire A 3 Way Switch
