Dimmer Switch Wiring Diagram Yellow. The wires in the old switch were all in one of the boxes on the back of the dimmer would that be correct. I am trying to install a leviton decora smart.
3 reds into a junction box no connection into light 3 blues into junction box connected to negative at light fitting. Use only one 1 dimmer in a 3 or 4 way circuit. Yellowred wire should have red insulation label affixed.
When the light circuit is operated from the additional standard 2 way switch it will come on at the pre set level.
Our dimmer switches are 2 way ie can be used for switching lights from either one or two places but the other switch needs to be a standard rocker dolly or onoff dummy dimmer switch. Line hot wall box wire to black dimmer lead. Where there are two or more wires together in the old switch they must be kept together in the dimmerswitch. Wiring a dimmer switch is straightforward if you know how to turn off the electricity to the dimmer switch and connect a few wiresreally thats all there is to hooking up a dimmer switch.