Wiring a three way light switch. This might seem intimidating but it does not have to be.
Wiring 3 Way Insteon Switches Home Automation Guru
Wiring for 3 way light switch. To wire a 3 way light switch youll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires. 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. Most common is the single pole switch the type used to control a light fixture from a single locationthe next most common is the three way switch which is commonly used to control a light fixture from two different locations. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Take a closer look at a 3 way switch wiring diagram. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box.
Wiring of 3 way light switches 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. With a pair of 3 way switches either switch can make or break the connection that completes the circuit to the light. Connect the ground wire to the green screw. With these diagrams below it will take the guess work out of wiring. For example a long hallway or stairway might use a pair of three way. Fixture between two three way switches.
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. Wall switches used to control ceiling light fixtures or other fixtures come in three types. 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. 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 boxesno longer allowed after 2011 nec if no neutral wire in switch boxes. 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. Connect the wire marked common to the black or dark colored screw.
Wiring a 3 way light switch. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. When wiring a 3 way switch first screw the terminal screws of the new switch until they are difficult to turn. First run a 2 wire cable from the wall power to the black screw on 1 of the switches. Connect the two remaining traveler wires to the two brass or light colored screws. Interested in a 4 way switch wiring diagram.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
Gallery of Wiring For 3 Way Light Switch
