Three Way Switch Connection Diagram
3 way switch wiring diagram.
Three way switch connection diagram. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 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. 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. The pair of travelers on one switch connect to the pair of travelers on the other switch.
With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights. 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. The source in this circuit is at the first switch and the light fixture is. This might seem intimidating but it does not have to be.
3 way switch diagram 2 above shows the electricity source starting at the fixture. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. The white wire becomes the energized switch leg as indicated by using black or red electrical tape.
The black line wire connects to the common terminal of the first 3 way switch. With these diagrams below it will take the guess work out of wiring. Wiring diagrams for 3 way switches. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch.
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. The fixture s hot wire connects. 3 way switch wiring with. This is the 3 wire cable which you must have to wire a 3 way.
Conventional 3 way switch wiring configuration. 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. All of the switches shown below are 3 way. 3 way switch wiring diagrams wiring diagram 3 way switch with light at the end.
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 3 above shows the electricity source starting at the right 3 way. Three way switch wiring. 3 way switch wiring diagram depicting all wires in the ceiling junction box.
In this diagram the electrical source is at the first switch and the. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. 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. 3 way switches have three terminals one common usually black color and one pair of travelers usually brass color.
Diagram 1 above shows the electricity source starting at the left 3 way switch. Take a closer look at a 3 way switch wiring diagram.