If you dont have this circuit youll need to rewire with the standard red white black and green or brown. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches.
Tutorial 3 Way Switches And 4 Way Switches
How to wire a two way dimmer switch diagram. 3 way switch wiring diagrams do it yourself help throughout 2 way dimmer switch wiring diagram image size 502 x 330 px and to view image details please click the image. But if youre replacing a three way switch with a three way dimmer label the common wire itll be labeled on the old switch when you remove the old switch so you can connect it to the common terminal on the dimmer. A rheostat or dimmer makes it possible to vary the current flowing to a light fixture thereby varying the intensity of the light. Attach to the bonded ground wires in the switch box. In most cases the two switch wires will be some. Remove 34 inch of casing from the end of the house wires and the dimmer switch wires if needed.
Connect the ground wire from your dimmer to a green or bare copper wire in the wall box. Dimmer switch wiring diagram. Wiring a standard 3 way dimmer switch. Plus learn how to change a single pole switch to a 3 way switch. This is the wiring for a dimmer in a 4 way circuit. You have an incoming hot wire black going to one screw it does not matter if you use the brass or silver screw on the side of the 2 way switch and a black wire from the other screw on the 2 way switch going to the load light ceiling fan etc.
In the diagram below a 2 wire nm cable supplies power from the panel to the dimmer boxthe black line wire connects to the common terminal of the 3 way dimmera 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switchtraveler wires are interchangeable on each switch. 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. If the house wires are bent use a wire stripper to cut off the twisted ends. Heres how to connect a three way dimmer switch. Two wire cable runs from the combo to the. 4 way dimmer switch wiring diagram.
Next set up the three way dimmer switch wiring. These wires attach to the travelers which are the pair of wires attached to the two screws at one end of the regular 3 way switch. In some systems the green wire might be copper or brown. 3 way dimmer switches typically come with the following pre wired leads. Three wire cable runs between all the switches and 2 wire cable runs to the light. Here is a picture gallery about 2 way dimmer switch wiring diagram complete with the description of the image please find the image you need.
Notice the black wire is the only wire that we are controlling through the 2 way switch. Youll notice four colored wires. Red white black and green.