This might seem intimidating but it does not have to be. This arrangement allows for lowering the lights in a 3 way circuit.
Fab Lab Ncc New Advanced Electrical Wiring
Hook up 3 way switch diagram. One ground and 4 circuit terminals divided into two matching pairs called travelers. Wiring a 3 way light switch. For example a long hallway or stairway might use a pair of three way. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. 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. It may seem overwhelming at times dealing with smart devices like a wifi thermostat a smart home hub sensors lights and of course light switcheshowever installing smart home devices or learning how to hook up a 3 way switch doesnt have to be such a headache.
The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. With these diagrams below it will take the guess work out of wiring. This rocker is perfect for an engine offrunstart switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. The vmdj is a unique dpdt momentary rocker switch. 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.
The wiring diagram below will demonstrate how to to wire and power this 12v 20amp on on off 3 way carling contura rocker switch. 3 way dimmer switch wiring diagrams. 3 way switch wiring diagram. Take a closer look at a 3 way switch wiring diagram. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. Typical 3 way switch wiring nm cable.
Wall switches used to control ceiling light fixtures or other fixtures come in three types. Traveler wires are interchangeable. There is only one such terminal on a 3 way switch and it is usually identified as the one having a different color terminal screw often significantly darker from the other two. A 4 way switch has five terminals. The 2 wire cable feed from the power source enters the bottom of the switch box and the hot black wire connects to the common or shunt terminal on the 3 way switch. Fixture between two three way switches.
In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. Power through switch light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. The black line wire connects to the common terminal of the first 3 way switch. When you decide to create a smart home on your own youve signed up for some major diy work. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.
It is off at the bottom on in the center and momentary on at the top. 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.
Gallery of Hook Up 3 Way Switch Diagram
