Wiring a 3 way light switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
3 Way Switch Installation Circuit Style 3
How to wire up a 3 way light switch. Interested in a 4 way switch wiring diagram. If your 3 way light switch 2 is connected between the power supply and the light fixture as is most. This is a scenario where you have 2 light switch locations that control a single light fixture unless. This might seem intimidating but it does not have to be. Traveler wires are interchangeable. If you have suggestions please leave them as well.
In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. 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. Fixture between two three way switches. Take a closer look at a 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. 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 ground wire to the green screw. Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. In this video we learn how to wire a 3 way switch system. First run a 2 wire cable from the wall power to the black screw on 1 of the switches.
Connect the two remaining traveler wires to the two brass or light colored screws. Typical 3 way switch wiring nm cable. With these diagrams below it will take the guess work out of wiring. Heres how to wire a three way switch with easy tips from the family handyman. E lastly if your light fixture isnt wired yet connect the light fixture to the 2 wire romex black and white wires only which leads to your new 3 way light switch 2 and you should have completed your 3 way light switch circuit. The black line wire connects to the common terminal of the first 3 way switch.
Please leave a comment and a like if this video helped you. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Connect the wire marked common to the black or dark colored screw.