Three Way Switch Connection Diagram

3 way switch wiring diagrams wiring diagram 3 way switch with light at the end.

Three way switch connection diagram. With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. Conventional 3 way switch wiring configuration. Three way switch wiring with light middle.

The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. Diagram 3 above shows the electricity source starting at the right 3 way. 3 way switch wiring diagram depicting all wires in the ceiling junction box. 3 way switch wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switch s common dark colored terminal.

For example they can be arranged so that the feed cable runs to the first three way switch then to the light fixture box then to the second three way switch. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector. The pair of travelers on one switch connect to the pair of travelers on the other switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.

Regardless of what 3 way switch wiring diagram you re following you ll need to use a 3 wire cable to connect the two 3 way light switches. Diagram 1 above shows the electricity source starting at the left 3 way switch. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture. Three way switches can be wired in a number of different ways depending on where they are located relative to the light fixture in the circuit cable runs.

Wiring diagrams for 3 way switches. The source in this circuit is at the first switch and the light fixture is. 3 way switch wiring diagram. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw.

All of the switches shown below are 3 way. 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. Typical 3 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. With these diagrams below it will take the guess work out of wiring.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The fixture s hot wire connects. The black line wire connects to the common terminal of the first 3 way switch. 3 way switch wiring with.

The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. Take a closer look at a 3 way switch wiring diagram. 3 way switch diagram 2 above shows the electricity source starting at the fixture. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.

3 way switches have three terminals one common usually black color and one pair of travelers usually brass color. In this diagram the electrical source is at the first switch and the.