The black line wire connects to the common terminal of the first 3 way switch. Two very old three way switches.
Three Way Switch Wiring How To Wire 3 Way Switches Hometips
Three way switch schematic diagram. Take a closer look at a 3 way switch wiring diagram. If you have any problems with these switches it may be best to call an electrician. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. 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. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. See alternate 3 way switch wiring configuration for another way 3 way switches may be wired.
3 way switch schematic wiring diagram. It reveals the components of the circuit as streamlined shapes and the power and also signal links in between the gadgets. Assortment of 3 way switch wiring schematic. With these diagrams below it will take the guess work out of wiring. Typical 3 way switch wiring nm cable. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations.
This might seem intimidating but it does not have to be. Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. Traveler wires are interchangeable. Unfortunately not all 3 way switches are wired the conventional way. Wiring a 3 way light switch. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Two very old three way switches are depicted in the photo above. 3 way switch wiring diagram. The diagrams below show the conventional wiring for 3 way switches.
Gallery of Three Way Switch Schematic Diagram
