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. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
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Three way switch diagram. The source in this circuit is at the first switch and the light fixture is. 3 way switch wiring with. All of the switches shown below are 3 way. Three way switch wiring with light middle. The fixtures hot wire connects. Wall switches used to control ceiling light fixtures or other fixtures come in three types.
The black line wire connects to the common terminal of the first 3 way switch. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. The white wire becomes the energized switch leg as indicated by using black or red electrical tape. The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector. 3 way switch diagram 2 above shows the electricity source starting at the fixture. The white wire between switches is not being used as a neutral.
Typical 3 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture. 3 way switches have three terminals one common usually black color and one pair of travelers usually brass color. With these diagrams below it will take the guess work out of wiring. This might seem intimidating but it does not have to be. Most common is the single pole switch the type used to control a light fixture from a single locationthe next most common is the three way switch which is commonly used to control a light fixture from two different locations.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 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. The two hot wires of three wire cable connect to a pair of brass colored traveler terminals on each switch. 3 way switch wire diagram power to light switch in this diagram the incoming hot wire attaches to the first switchs common dark colored terminal. 3 way switch wiring diagrams wiring diagram 3 way switch with light at the end. An example of three way switch wiring with the line and load in the same 4 square electrical box.
For example a long hallway or stairway might use a pair of three way. 3 way switch wiring diagram. The white wire must be re identified as a hot wire at each switch location. 3 way switch wiring diagram with line and load in the same switch box. With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights. Take a closer look at a 3 way switch wiring diagram.
In this diagram the electrical source is at the first switch and the.
Gallery of Three Way Switch Diagram
