Wiring Diagram For 3 Way Dimmer Switch

With conventional light switch wiring using nm cable a nm cable supplies line voltage from the electrical panel to a light switch outlet box. Question from john in lexington kentucky.

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First of all we need to go over a little terminology so you know exactly what is being discussed.

Wiring diagram for 3 way dimmer switch. 3 way switch wire colors. How to wire a 3 way switch. 3 way switch wiring with light first. Line switch load switch 1 if your wiring is like the diagram below you can wire your smart switch in the box with line. Single pole wiring see single pole wiring diagram connect the bare or green ground wire of the dimmer to the bare or green ground wire in the wallbox. Conventional light switch wiring. How to wire a 2 way switch. Wiring a three way light switch. First of all we need to go over a little basic terminology on switches. I have an existing light switch and i want to add a second switch for a new light that will be operated separately. Basic 3 way dimmers switches a 3 way dimmer switch is very similar to a regular 3 way toggle switch except for the electronic unit which performs the actual dimming function. There is no standard for wire colors on 3 way switch travelers. The colors will vary depending on whether nm cable or conduit was used. How is the wiring for a new light switch and fixture added to an existing switch. Wiring a 3 way switch is a little more tricky than wiring a 2 way switch.

Having additional lights wired in parallel will not change the wiring below. In this diagram the source for the circuit is at the light fixture and the two switches come after. Two wire cable runs from the light to sw1 and 3 wire cable runs between sw1 and sw2. Wiring of 3 way light switches 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. Wiring a 2 way switch is about as simple as it gets when it comes to basic house wiring.