In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. With these diagrams below it will take the guess work out of wiring.

How To Wire A 3 Way Light Switch Family Handyman
Switch three way diagram. These instructions will be easy to grasp and use. The basic 3 way switch wiring diagram this is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit. The black line wire connects to the common terminal of the first 3 way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. It really is intended to aid all of the typical consumer in creating a suitable program. Wiring a 3 way light switch.
This might seem intimidating but it does not have to be. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. Take a closer look at a 3 way switch wiring diagram. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. 3 way switch wiring diagram variations wiring diagram leviton 3 way switch wiring diagram. For example a long hallway or stairway might use a pair of three way.
Traveler wires are interchangeable. 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. Typical 3 way switch wiring nm cable. 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. Wall switches used to control ceiling light fixtures or other fixtures come in three types. 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. Wiring diagram arrives with several easy to adhere to wiring diagram instructions.