3 And 4 Way Switch Wiring Diagram
The black line wire connects to the common terminal of the first 3 way switch. If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch.
Wiring Diagram For 3 Way Switch With 4 Lights Light Switch Wiring 3 Way Switch Wiring Three Way Switch
Pick the diagram that is most like the scenario you are in and see if you can wire your switch.
3 and 4 way switch wiring diagram. You would just continue from one 3 way switch box with the 14 3 three conductor cable two colored traveler wires a white neutral and a bare or green ground wire in and out of each four way switch box. This 4 way switch diagram 2 shows the power source starting at the fixture. A 4 way switch is always placed in between two 3 way switches.
The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Take a closer look at a 3 way switch wiring diagram. Three wire cable runs between all the switches and 2 wire cable runs to the light.
The red and black wires are connected to the four way switches. This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.
In the diagrams below the first switch 3 way common terminal connects to line voltage. A 3 wire nm connects the traveler terminals of the first 4 way switch and the second 4 way switch and so on. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches.
The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color. A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch. 3 way switch wiring diagram depicting all wires in the ceiling junction box.
The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers. At the lights the hot source is spliced to the black wire running between lights it does not connect to the lights. 4 way switch wring diagram.
They all must be between the two 3 way switches. 4 way dimmer switch wiring diagram. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.
At the other end you connect the other 3 way switch with either the line or the load. 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. With these diagrams below it will take the guess work out of wiring.
The white wires get spliced through. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. A 3 wire nm connects the traveler terminals of the last 4 way switch and the second 3 way switch.
In fact a dimmer can be used this way in place of any of the 3. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Traveler wires are interchangeable on each switch.
This is the wiring for a dimmer in a 4 way circuit. You can have an indefinite number of 4 way switches in a circuit. Watch the 4 way switch video below and pay attention.
Wiring a 3 way light switch. Here 3 wire cable runs between l1 and l2 2 wire cable runs from the last light to sw1 and more 3 wire cable runs from sw1 to the 4 way switch and then to sw2. Interested in a 4 way switch wiring diagram.
This might seem intimidating but it does not have to be.
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