Take a closer look at a 3 way switch wiring diagram. Fixture between two three way switches.
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How to install 3 way switch diagram. 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. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. Regardless of what 3 way switch wiring diagram youre following youll need to use a 3 wire cable to connect the two 3 way light switches. Please leave a comment and a like if this video helped you. The travelers can go to either terminal. If the words on and off arent embossed on the switch and its one of two switches that control a single light or receptacle you have a three way switch.
In this video we learn how to wire a 3 way switch system. The goal is to place two switches at separate locations which control the exact same device. If you have suggestions please leave them as well. 3 way switch wiring diagram. A three way switch is fundamentally different in its operation from a regular two way switch. Three wire cable runs between the switches and 2 wire cable runs to the light.
The key to wiring two three way switches is to run the two wires that were originally connected to the old switch photo 1 to the common terminals. 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. 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. The black and red wires between sw1 and sw2 are connected to the traveler terminals. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. This might seem intimidating but it does not have to be.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Wiring diagram 3 way switch with light at the end. 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. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. 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. With these diagrams below it will take the guess work out of wiring.
Wiring a 3 way light switch.
Gallery of How To Install 3 Way Switch Diagram
