Feed a length of 14-3 type NM cable (or 12-3, if you're connecting to 12-gauge wire) between the two boxes.Add an electrical box for the second three-way switch in the basement.Turn off the correct circuit at your electrical panel.A three- way switch ( 3 connections to the switch, not including ground) can turn lights on or off from 2 locations.īeside this, how do you wire a 3 way dimmer switch with multiple lights?Įither way, complete these five steps for 3 way light switch wiring: Likewise, what is the difference between a 2 way and 3 way light switch? A two- way switch ( 2 connections to the switch, not including ground)turns lights on or off from 1 location only. You can put the dimmer at either location, but not both locations. If you are switching from two locations, you also need to use 3- way switches for both the plain switches and dimmers (many dimmers are 3- way compatible). Moreover, can you have two dimmers on a 3 way switch? A standard 2-way switch must be used for the other position. This lets you dim from one location and turn the lights on and off from another. How does a 2 way dimmer switch work In a two-way installation, as shown in figure 2, only one dimmer must be used. You will need a three- way dimmer and a three- way switch. ![]() With a three- way dimmer, you can control a light with two switches. With a standard single-pole dimmer, a single switch controls the light.
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