The travelers actually pass the electricity between the two 3 way switches as well as the 4 way switches shown in the 4 way switching wiring diagrams. 3 way switch wiring diagram.
3 Way Switch Wiring Diagram Electrical Online
Wiring schematic for a 3 way switch. The black and red wires between sw1 and sw2 are connected to the traveler terminals. 3 way switch 2 3 way wire which has black white and red coated wires and of course a copper ground wire. Typical 3 way switch wiring nm cable. Three wire cable runs between the switches and 2 wire cable runs to the light. While wiring a 3 way switch is more involved than something simple like installing an electrical box for an electric fireplace the task can be simple enough if you follow along with these instructions. Otherwise the arrangement wont function as it should be.
With these diagrams below it will take the guess work out of wiring. Each part ought to be set and connected with other parts in specific way. Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. 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. In this diagram the electrical source is at the first switch and the light is located at the end of the circuit.
3 way switch schematic wiring diagram. 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. If you have any problems with these switches it may be best to call an electrician. See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The diagrams below show the conventional wiring for 3 way switches.
A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Two very old three way switches. Leviton 3 way switch wiring diagram leviton 3 way dimmer switch wiring diagram leviton 3 way led dimmer switch wiring diagram leviton 3 way light switch wiring diagram every electrical structure is composed of various distinct parts. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. It reveals the components of the circuit as streamlined shapes and the power and also signal links in between the gadgets. This might seem intimidating but it does not have to be.
Assortment of 3 way switch wiring schematic. Take a closer look at a 3 way switch wiring diagram. Traveler wires are interchangeable. Two very old three way switches are depicted in the photo above. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. Wiring diagram 3 way switch with light at the end.
The black line wire connects to the common terminal of the first 3 way switch. To illustrate the wiring of these 3 way switches switch boxes and fixture boxes are not shown but are obviously required for every application. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Unfortunately not all 3 way switches are wired the conventional way.