3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. For example a long hallway or stairway might use a pair of three way.
3 Way Switch Wiring Electrical 101
Diagram of a three way light switch. If you have any problems with these switches it may be best to call an electrician. With these diagrams below it will take the guess work out of wiring. Take a closer look at a 3 way switch wiring diagram. Interested in a 4 way switch wiring diagram. Unfortunately not all 3 way switches are wired the conventional way. The black and red wires between sw1 and sw2 are connected to the traveler terminals.
In this diagram the electrical source is at the first switch and the light is located at the end of the circuit. Wall switches used to control ceiling light fixtures or other fixtures come in three types. The diagrams below show the conventional wiring for 3 way switches. 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. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
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. 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. See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. Wiring a 3 way light switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Three wire cable runs between the switches and 2 wire cable runs to the light.
This might seem intimidating but it does not have to be.
Gallery of Diagram Of A Three Way Light Switch
