The most basic circuit with only two wires at the switch. 4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color.
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4 way lighting circuit wiring diagram. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Three wire cable runs between all the switches and 2 wire cable runs to the light. This circuit is wired the same way as the 3 way lights at this link. More 4 way switch wiring diagrams four way switch wiring schematic. 3 way switched outlet wiring. Fully explained 4 way switch diagrams.
A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. Two way switching 2 wires. Three wire cable runs between the switches and the outlet. Wiring a 3 way light switch. Power from light fixture to light switch. One ground and 4 circuit terminals divided into two matching pairs called travelers.
Do you need a 3 way switch wiring diagram. To view it at full size click on the diagram. 4 way dimmer switch wiring diagram. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. In the diagrams below the first switch 3 way common terminal connects to. 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.
A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. Below is another method for wiring 4 way switches. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. The electrical wiring adds additional wiring to the same principles of 3 way switching. 4 way switches are a convenient way to operate lighting fixtures from three or more locations. Switches are shown as dotted rectangles.
With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Conventional 4 way switch wiring. This is the wiring for a dimmer in a 4 way circuit. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. The electrical switch box that contains the line and load wires may need to be bigger than the other switch boxes especially if there are other wires going into the switch box. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches.
A 4 way switch has five terminals. Click here to access note. L and n indicate the supply. Earth wires are not shown. The 4 way is used when you want to control the light or lights from two or more locations. This diagram is a thumbnail.
These diagrams show various methods of one two and multiple way switching. Each pair of traveler terminals should be wired to the traveler wires from one of the 3 way switches in the circuit.
Gallery of 4 Way Lighting Circuit Wiring Diagram
