3 Way Switch With 4 Wires - Wiring Examples and Instructions

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Take a closer look at a 3 way switch wiring diagram.

Can You Wire A Lutron Maestro Dimmer On A 4 Way Switching

3 way switch with 4 wires. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. Watch the 4 way switch video below and pay attention. With these diagrams below it will take the guess work out of wiring. A 4 way switch has five terminals. Wiring a three way dimmer switch uses four wires and allows you the convenience of dimming the light from separate switches at opposite ends of a room. 3 and 4 way switches are used to control one or more lights or fixtures from 2 or 3 switch locations such as the top and bottom of a flight of stairs.

The 4 way switch connects in the middle of the two travelers. Find the wires connected to the two traveler terminals. The white wire must be re identified as a hot wire at each switch location. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit. 3 way switch wiring diagram with line and load in the same switch box. Each 3 way switch has a common terminal and two traveler terminals.

They all must be between the two 3 way switches. The white wire between switches is not being used as a neutral. This might seem intimidating but it does not have to be. Phillips or slotted screwdriver. A 4 way switch is always placed in between two 3 way switches. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch.

Turn off the power at the circuit breaker. You can have an indefinite number of 4 way switches in a circuit. Two 3 way switches are connected to each other via traveler wires only one of which is hot in any given switch setting combination. One ground and 4 circuit terminals divided into two matching pairs called travelers. An example of three way switch wiring with the line and load in the same 4 square electrical box.

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