How To Wire Up A Three Way Switch

Take a closer look at a 3 way switch wiring diagram.

How to wire up a three way switch. With these diagrams below it will take the guess work out of wiring. Connect the ground wire to the green screw. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. This might seem intimidating but it does not have to be.

Replace any regular switches with the 3 way switches. Typical 3 way switch wiring nm cable. Wiring a 3 way switch with multiple lights. To wire a 3 way light switch you ll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires.

Twist all four black wires together with a yellow wire nut. The power supply wire is the wire that connects directly to the breaker panel. 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. A 3 way switch will not have the words on or off written on it.

First run a 2 wire cable from the wall power to the black screw on 1 of the switches. Connect the black wire from the power supply to all three of the black pigtails. 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. In this circuit two light fixtures are shown but more can be added by duplicating the wiring arrangement between the fixtures for each additional light.

Tape the wire nut to the wires with electrical tape. Wiring a 3 way light switch. Traveler wire terminals these are located on each side of the switch towards the top of the switch. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.

The existing 2 wire black and white romex can still be used to connect a 3 way switch 2 and the light fixture. 3 way switch wiring diagram. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.

Wrap the tape around the wire nut and onto the wires. Connect the two remaining traveler wires to the two brass or light colored screws. If your 3 way light switch 2 is connected between the power supply and the light fixture as is most common. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn.

I m planning to use this switch in an upcoming video and. A quick look at how to wire a 3 way switch commonly used inside vehicles project boxes and so on.