Electrical Wiring Diagram 3 Way Switch

Interested in a 4 way switch wiring diagram.

Electrical wiring diagram 3 way switch. 3 way switch diagram 2 above. The basic 3 way switch wiring diagram this is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit. A 3 way switch circuit is explained and described in detail including visual animation and practical application. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.

The diagrams below show the conventional wiring for 3 way switches. 3 way switching provides switching from two locations. 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.

In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The white wire between switches is not being used as a neutral. The power source also connects the terminal main three way switch and means that you need to have it spliced with a 3 way switch with the wire cable and that you will see the way that there is a neutral terminal with the light. With these diagrams below it will take the guess work out of wiring.

Wiring diagrams for 3 way switches. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. 3 way switch wiring diagram with power feed via switch. The black line wire connects to the common terminal of the first 3 way switch.

Unfortunately not all 3 way switches are wired the conventional way. The white wire must be re identified as a hot wire at each switch location. Wiring a 3 way light switch. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box.

See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. 3 way switch wiring diagram with line and load in the same switch box. Diagram 1 above shows the electricity source starting at the left 3 way switch.

An example of three way switch wiring with the line and load in the same 4 square electrical box. 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. Eight 3 way switches diagram variations. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.

Typical 3 way switch wiring nm cable. First my easy to understand chart helps to identify the 3 way switch system for the application. Video includes the bonus addition of adding a 4 way switch. This might seem intimidating but it does not have to be.