Double Three Way Switch Wiring Diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. 3 way switch is a multiway switching or interconnection of two or more electrical switches to control an electrical load from more than one location.
If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire. Electrically a typical 3 way switch is a single pole double throw spdt switch. A double pole switch allows you to control two separate circuits using the same switch while a three way switch allows you to control a single circuit from two different locations.
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. By correctly connecting two of these switches together toggling either switch changes the state of the. 3 way switch wiring diagram. 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.
