You must completely forget about the notion of a switch being a simple openclosed circuit and look at the diagram of the circuitry of this modern alternative. A three way switch is fundamentally different in its operation from a regular two way switch.

3 Way Switch Wiring Diagrams Do It Yourself Help Com
How to wire up a 3 way light switch diagram. The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on. This might seem intimidating but it does not have to be. Interested in a 4 way switch wiring diagram. In this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. Turn the power off at circuit breaker. 3 way switches wiring diagram 3 switch one light control diagram three way lighting circuit this video shows how to wire a three way lighting circuit this means that you can have three separate.
The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. Take a closer look at a 3 way switch wiring diagram. With these diagrams below it will take the guess work out of wiring. Basic 3 way switch diagram how to wire 3 way light switch step by step. This 3 way switch wiring diagram shows how to wire the switches and the light when the power is coming to the light 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.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Knowing how to wire a three way lighting switch comes down to understanding the operation of this contraption. 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.