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Here are different ways to wire a 4-way switch (two basic setups): The power is coming into the light fixture first. The power is coming into switches first. 4-way switch wiring diagram power at light. Now, let’s go over this type of setup:
4-way Switch Wiring with Light First. This diagram illustrates wiring for a 4-way circuit with the electrical source at the light fixture and the switches coming after. Two-wire cable is run from the light to SW1 and from there, 3-wire cable runs between all the switches.
Here we'll show you how to wire a four-way switch. Four-way switches must be installed into the circuit in between two separate three-way switches. We brought power to the first three-way switch box, which is common, but other configurations exist.
To wire a 4-way switch, you will need two 3-way switches and one 4-way switch. The common terminal of the first switch should be connected to the line voltage. The pair of traveler terminals on the first switch should be connected to either the top or bottom pair of traveler terminals on the second switch.
To wire a 4-way switch, start by turning off the circuit breaker for the room you’re working in. Then, connect the black wire coming from the fixture to the black wire going to the first 3-way switch. Next, connect the white wire coming into the box to the white wire on the fixture.
4-way switch configurations are used to control lights with three or more switches.
This guide provides instructions on how to wire a 4-way light switch, including replacing a 4-way switch and wiring a new 4-way switch into a set of two 3-way switches. Diagrams are also provided.
Learn the basics of wiring a four-way switch and how it can add versatility and convenience to your electrical system. Find step-by-step instructions and diagrams to help you successfully install a four-way switch in your home.
Learning how to wire a 4-way switch is simply adding a switch to an already existing 3-way switch circuit. This allows you to control a load from other locations in addition to the (2) locations that a 3-way circuit provides.
This article shows you how to wire a four-way switch that is combined with a pair of 3-way switches to allow controlling the same lights from three or more locations. The 4-way switch wiring diagram and step-by-step directions will guide you clearly through the process.