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Thread: Dimmer - 3 Black wires?

  1. #1
    Junior Member
    Join Date
    Jan 2021
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    2

    Angry Dimmer - 3 Black wires?

    This is killing me!Replacing a decora toggle with a Caseta dimmer. Wall switch had 3 black, 1 top and 2 bottom. No ground. (see attached) This is a small patio, two outside lights controlled by one switch Adding the dimmer, I cannot get it quite right. In some configurations, the left light blinks, in others the right light blinks. Not sure the sides of the Caseta dimmaer matter, but I’ve tried everything (see attached diagram)Suggestions? * Looks like it won’t allow attachments??Tried:L -> R1 -> 2-3 All lights on, no control2 -> 1-3 Outside right light blinks, no control3 -> 1-2 No control1-2 -> 3 No control1-3 -> 2 Outside right light blinks, no control2-3 -> 1 Outside left blinks, no control

  2. #2
    Junior Member
    Join Date
    Jan 2021
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    2
    Got it sorted..once I figured out which was which in the black wires, I then had the blinking issue (only 1 side) Then I looked at the bulbs, they were some off brand LED, NON-dimmable. One light out and it would work. Both lights in, it would just go dead. Nothing worked, no lights on switch. New LED lights and it is working great

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