Three Way Switch Wiring Diagram For Dummies

Two way switches and three way switches operate the same way and have the same connection points they just have different names in the uk which are common l1 and l2.

Three way switch wiring diagram for dummies. Video includes the bonus addition of adding a 4 way switch. Typical 3 way switch wiring nm cable. Most common is the single pole switch the type used to control a light fixture from a single location the next most common is the three way switch which is commonly used to control a light fixture from two different locations. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.

Three wire cable runs between the switches and 2 wire cable runs to the light. For example a long hallway or stairway might use a pair of three way. A 3 way switch circuit is explained and described in detail including visual animation and practical application. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.

Uk two way switch wiring diagram. The black line wire connects to the common terminal of the first 3 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. 4 way switch wiring with light first.

A three way switch is a handy convenience to control a light from two locations such as at the top and bottom of a staircase. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. In the united kingdom some electricians use an alternative method for wiring two way switches as depicted in the above wiring diagram. This might seem intimidating but it does not have to be.

Interested in a 4 way switch wiring diagram. Wiring a 3 way light switch. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after. Take a closer look at a 3 way switch wiring diagram.

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. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Two wire cable is run from the light to sw1 and 3 wire cable runs between the three switches. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit.

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