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Thread: LED glowing/ghosting when dimmer switch is off

  1. #1
    Junior Member
    Join Date
    Dec 2017

    LED glowing/ghosting when dimmer switch is off


    I am experiencing ghosting, or glowing of my LED's lights, when turning off my lutron casseta switch . The lights I purchased were not on the recommended lighting list, and I believe what I am experiencing is the bleed through amperage (5 milli amps) of the Lutron dimmer switch in conjunction with my, smaller than minimum, load is allowing my five lights in my dining room to glow when the dimmer switch is "Off", and the two lights to glow brighter when their dimmer switch, in my dining room, is "off" ? There is no ground in either circuit - old home. Lights and dimmer work fine at full power, and dim down fine enough.

    Lights purchased : Sunco 4" recess LED dimmable lights

    Dimmer Switch : PD-6WCL-WH

    All switches were wired with no neutral connected. They interrupted constant hot wire from panel box, to the hot to my LED lights. Both rooms are on individual dimmer switch. Both have the same model of lights.

    • So, my question is who can I talk to about this? I've emailed Lutron today ( Case Number: 7755889 ).
    • Am I correct that my lights have not met the minimum load rating for the switch and the current is bleeding through to my lights and powering them on?
    • Is one solution to my ghosting using the Lut - MLC adaptive cap? Is the Lut-MLC a snubber circuit?
    • Then, if the lut-mlc is not correct what can I use as a shunt?
    • Will adjusting the trim help?

    Lut MLC :

    Minimum Load rating :

    Please advise I am not an electrician or electrical engineer.



  2. #2
    Authorized Lutron Contributor
    Join Date
    Dec 2015
    Hello Andrew, it seems as though you have been working with Chad and Phil via email, so I will only add the following information to this post.

    We do not recommend using the LUT-MLC with the PD-6WCL. The only controls we recommend the LUT-MLC for is a digital switch, such as the PD-5WS-DV or a reverse phase control such as the PD-5NE. We do not recommend using the LUT-MLC with a forward phase control such as the PD-6WCL.

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