Hook Up 3 Way Light Switch Diagram. With these diagrams below it will take the guess work out of wiring. A 3 way light switch allows you to control a light source from two separate points.
Start with a 3 way switch at the start and a 3 way switch at the end of the switch path. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Thanks for your electrical question ken.
The methods shown here are some of the safest and most versatile though not the only options.
Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Interested in a 4 way switch wiring diagram. While a normal switch has two terminals the on and the off positions the three way switch has three obviously which is the two normal on and off terminals plus a third for connecting to the other switch or the device. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
