Schematic Three Way Switch Wiring Diagram

Pick the diagram that is most like the scenario you are in and see if you can wire your switch.

Schematic three way switch wiring diagram. Now discussing 3 way light switch wiring diagram as also discussed above the color codes of the wires as having three insulated conductors as black as hot red as switch wire or called traveler and white as common wire as also shown when light is connected to both black and white wires. It really is intended to aid all of the typical consumer in creating a suitable program. Unfortunately not all 3 way switches are wired the conventional way. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire.

Three way switches allow for controlling a light fixture from two separate locations these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. To illustrate the wiring of these 3 way switches switch boxes and fixture boxes are not shown but are obviously required for every application. The black line wire connects to the common terminal of the first 3 way switch.

This is the 3 wire cable which you must have to wire a 3 way. In this wiring the source is at sw1 and 3 wire cable runs between each switch and the ceiling fan. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. 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.

Traveler wires are interchangeable. 3 way switch wiring diagram variations wiring diagram leviton 3 way switch wiring diagram. If you have any problems with these switches it may be best to call an electrician. Take a closer look at a 3 way switch wiring diagram.

See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. This is the same arrangement as the second diagram on this page with a fan in place of the light fixture. 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. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.

The travelers actually pass the electricity between the two 3 way switches as well as the 4 way switches shown in the 4 way switching wiring diagrams. 3 way switch wiring diagram with power feed via light. Wiring diagram arrives with several easy to adhere to wiring diagram instructions. All three way switch and 2 way switch wiring diagrams have the same basic components.

Here a ceiling fan with a light kit is controlled with two 3 way switches. The diagrams below show the conventional wiring for 3 way switches. With these diagrams below it will take the guess work out of wiring. Typical 3 way switch wiring nm cable.

This might seem intimidating but it does not have to be.