Below is a simple 3 way schematic that can be applied to all three way electrical light switch connections. 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.
Video On How To Wire A Three Way Switch
Simple 3 way switch diagram. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. Take a closer look at a 3 way switch wiring diagram. Typical 3 way switch wiring nm cable. Equipment coming off a switchboard or circuit panel should be straightforward to trace. The steps above describe installing a 3 way switch and provide a 3 way switch diagram utilizing one light fixture. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations.
With these diagrams below it will take the guess work out of wiring. Two very old three way switches. The diagram below is based on the video you watched above. I am running the boat battery wiring from the switch to my two batteries. It shows the parts of the circuit as simplified forms and also the power and signal links in between the tools. If you intend to add multiple lights with a 3 way switch use the 3 way switch for multiple lights diagram.
In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. The black line wire connects to the common terminal of the first 3 way switch. 3 way switch schematic wiring diagram. 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. Wiring a 3 way light switch. This arrangement allows for lowering the lights in a 3 way circuit.
3 way dimmer switch wiring diagrams. The black screw on a 3 way switch diagram is for the continuous hot wire that comes from the circuit. Simple boat wiring diagram single battery. Wiring multiple lights on a 3 way switch. Assortment of 3 way switch wiring diagram pdf. What is the black screw for on a 3 way switch diagram.
When you make your own wiring diagram use very large sheets of paper for clarity. 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. Two very old three way switches are depicted in the photo above. 255 time to complete. The following 3 diagrams show the wiring for a specially made dimmer that can be used in these circuits in place of either of the the 3 way switches or both. This might seem intimidating but it does not have to be.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. A 3 way switch wiring diagram is a simple drawing showing how to connect the wires to each of the four screws on the 3 way switch. 3 way switch wiring diagram. Traveler wires are interchangeable.
Gallery of Simple 3 Way Switch Diagram
