Three wire cable runs between all the switches and 2 wire cable runs to the light. The switch can be used to control the electricity supplying lights from three locations.
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4 way circuit diagram. You can also add as many 4 way switches as you like in place of any one shown in the circuits that follow. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. How do i wire a motion a sensor to control lights. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches. Here is an example of a light in the middle of the run.
If more than three switches are needed simply place more 4 way switches between the three way switches. 4 way switch wring diagram. As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way. Watch the 4 way switch video below and pay attention. A 4 way switch must be wired between two 3 way switches as shown in the diagrams on this page. I have a three family home unit and in the common stairwell i have a 3 way switch on the first floor a 4 way switch on the second floor and a 3 way switch on the 3rd floor which are all controlling the common stairway lighting.
A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. All the 4 way switches are optional. 3 way and 4 way occupancy sensors for indoor motion detector applications electrical question. Attach the black and whiteblue traveler wires entering the 4 way switch box to the in terminals often the top terminals on the 4 way switch black on the left top pole and whiteblue on the right top pole. Here are another couple of variations of 3 and 4 way switch circuits. One ground and 4 circuit terminals divided into two matching pairs called travelers.
If you only need two switches leave out both the 4 way switches. It has 4 terminals or poles and consists of two 3 way switches that are modified. 4 way switch wiring 4 way switches provide switching from three or more locations. A 4 way switch has five terminals. 4 way dimmer 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.
They all must be between the two 3 way switches. It is important to understand how these switches are wired before attempting to troubleshoot or replace. Some 4 way switches may have the in and out pairs opposite each other rather than top and bottom. Look for 4 way switch wiring diagram or step how to wire a four way light switch electrical circuit a 4 way switch is a double pole double throw dpdt switch. A 4 way switch is always placed in between two 3 way switches. You can have an indefinite number of 4 way switches in a circuit.
I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. This is the wiring for a dimmer in a 4 way circuit.
Gallery of 4 Way Circuit Diagram
