Fully explained 3 way dimmer switch wiring diagram will take the mystery out of wiring a 3 way dimmer switch.
Two way dimmer switch wiring diagram.
Many manufacturers are now producing dimmer switches that can be used for either single pole or 3 way switches.
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.
The unit below is suitable for a 40w to 300w.
In the diagram below a 2 wire nm cable supplies power from the panel to the dimmer box.
Most are remote or manually controlled.
By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load.
The 3 way dimmer and 3 way switch are also interchangeable.
2 gang rotary twin dimmer switch.
This fixture has no on and off label and has three terminals behind the switch.
When replacing an existing 3 way switch take note of how the existing switch is wired before you remove the wiring then refer to your notes to help you wire the new 3 way dimmer switch.
This circuit is wired the same way as the 3 way lights at this link.
This allows you to turn the light on and off from one spot in the house.
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This is a completed circuit.
The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white.
The black line wire connects to the common terminal of the 3 way dimmer.
A 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switch.
Let s assume the load you are controlling is a light.
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You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light.
The common terminal of the 3 way switch connects to the light fixture s.
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.
Traveler wires are interchangeable on each switch.
Three wire cable runs between the switches and the outlet.
The power source comes from the fixture and then connects to the power terminal.
There are also remote control dimmer switch units available easily replacing a standard switch or existing dimmer switch.
If you are replacing an existing 3 way switch.
When you control a light in two separate switches you actually have a three way switch.
3 way switched outlet wiring.
A 2 way switch wiring diagram with power feed from the switch light.