Remove all wires from the 4 way switch and cap both red wires with wire nuts. 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.

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4 way light switch with dimmer wiring diagram. Lutrons new facility management tool empowers you to manage your building from anywhere. As long as the switch is on the other switches in the circuit work and i can dim the lights. Power from light fixture to light switch. Architectural wiring diagrams produce a result the approximate locations and interconnections of receptacles lighting and enduring electrical services in a building. I refer you to some excellent diagrams on wikipedia to see how multi way circuits work. Connect the white wire on the idevices dimmer switch to the neutral wire usually white in the gang box and cap with a wire nut.
4 way switch wiring a light wiring diagram center. Note the difference between how a 3 way and 4 way switch work. This is the wiring for a dimmer in a 4 way circuit. Do you need a 3 way switch wiring diagram. Three wire cable runs between all the switches and 2 wire cable runs to the light. The dimmer switch will have stranded wires that must be sliced to the solid cable wiring in a pigtail fashion.
4 way dimmer switch wiring diagram. If you can find a 4 way dimmer switch you could replace any 4 way switch in a multi way circuit with it. Easily monitor control and optimize a lutron control system from any tablet pc or smartphone. A rheostat or dimmer makes it possible to vary the current flowing to a light fixture thereby varying the intensity of the light. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. It is important to understand how these switches are wired before attempting to troubleshoot or replace.
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. I want to add a dimmer switch to one of the switch locations. But it must be a 3 way dimmer not a basic dimmer. The dimmer switch now acts like a master switch. Then tie the 2 black wires along with the black line wire on the idevices dimmer switch together with a wire nut. I have a four way switch set up like your diagram shows and it works great.
If more than three switches are needed simply place more 4 way switches between the three way switches. Dimmer switch wiring diagram. I replaced one of the three way switches with a 3 way dimmer switch. 4 way switch wiring 4 way switches provide switching from three or more locations. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects.
Interconnecting wire routes may be shown approximately where particular receptacles or fixtures must be upon a common circuit.