The line white neutral wire gets connected to the light fixture. The black wire from the other 3 way gets connected to the line black wire.
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.
Three way electrical switch wiring.
The electricity source and light fixture are connected to the same switch. The best example of this would be at either. The power source is coming to light switch first. It comes with the traditional toggle shape which is purely aesthetical. The diagrams for 3 way switch wiring we broke down into the following sections see below. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture.
The 3 way circuit is a very common system found within most residential installations. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. The three way switch by ge features a different form factor but is just as reliable. This might seem intimidating but it does not have to be. Typically the red and white wire of the 3 wire cable are used as the traveler pair or wires which are connected to the two brass terminal screws at the other end of the 3 way switches. With these diagrams below it will take the guess work out of wiring.
3 ways are used any time that you want two switches to operate one light or lights. Take a closer look at a 3 way switch wiring diagram. The switch is rated at 15a while operating under 120 vac. Wiring diagrams for 3 way switches 3 way switch diagram 2 above shows the electricity source starting at the fixture. Red and blue wires link traveler terminals of both switches. In this diagram power enters the fixture box.
The white wire of the traveler set of wires must be identified with black electrical tape or permanent marker to indicate that the white wire is not a neutral wire. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. The power source is coming to light fitting first. This is the 3 wire cable which you must have to wire a 3 way light switch. The black hot wire connects to the far right switch s common 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 white wire becomes the energized switch leg as indicated by using black or red electrical tape. How to wire 3 way light switch in this video we explain how three way switching works to connect a light fitting which is controlled with two light switches. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. It is ul listed and comes with a 90 day limited warranty. The electricity source and light is in between switches. The orientation of the travelers to the screws does not matter.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The switch itself is reliable and just like the one above comes with well market terminals which allow you to install it within minutes. 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. 3 way switch wiring diagram depicting all wires in the ceiling junction box. Interested in a 4 way switch wiring diagram.