Three Way Switch Light Wiring Diagram

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

Three way switch light wiring diagram. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxes no longer allowed after 2011 nec if no neutral wire in switch boxes. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. Three way light switching wiring diagram. The exact cable you use depends on the gauge of the existing wiring in the rest of the circuit but in most cases the correct cable will be either 12 3 or 14 3.

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. Here s how to wire a three way switch with easy tips from the family handyman. 3 way light switch schematic diagram using a two wire control.

Wiring diagram 3 way switch with light at the end. 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. This cable consists of three cores brown grey and black which are all line colours and an earth wire. Below is a simple schematic diagram that can be applied to all three way electrical light switch connections.

Connect the line brown wire coming from the light together with the 3 core earth cable black wire in to the l1 terminal of the two way switch. Wiring a 3 way light switch. This is the 3 wire cable which you must have to wire a 3 way light switch. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.

Three wire cable runs between the switches and 2 wire cable runs to the light. Two very old three way switches are depicted in the photo above. All earth wires should connect to the earth terminal in the switch back boxes and if you are using metal switches there must be a loop from this earth terminal to the one on the switch plate. Take a closer look at a 3 way switch wiring diagram.

3 way switch schematic wiring diagram. Interested in a 4 way switch wiring diagram. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Wiring a three way switch happens with the use of the 3 core earth cable.