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  1. #11
    Join Date
    Feb 2008
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    45

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    Interesting overheating theory. Both the 3-way dimmers in question are each in their own individual box. They are both in a weird wall - it's a concrete wall that is fir'ed out with 2x2's. The box is a double-gang Carlon plastic shallow box (so it's only 1.5" deep) with a single-gang mud-ring on the front (i wanted enough room for the wires & dimmer). we used closed-cell spray foam insulation - in the walls - so it's pretty darn tight in there insulation-wise.

  2. #12
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
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    5,841

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    Brett, I'm confused. You say they are each in their own box and then you say it's a double gang box. Clarification please.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  3. #13
    Join Date
    Feb 2008
    Posts
    45

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    it's a double-gang shallow plastic box with a double mudring that has just 1 switch slot centered in it.

    see attached box.jpg:

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  4. #14
    Join Date
    Feb 2008
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    45

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    or better yet - here's a photo of the two offending dimmers in question. pre and post insulation.

    oh - and to canuks comment, both of these 3-way switch circuits are on the same branch circuit. they are the only thing on this light circuit.

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    Last edited by brettmarl; 05-23-2009 at 06:37 PM.

  5. #15
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,841

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    Solid state dimmers are notorious for the amount of heat they develop. It's possible that you are trapping to much of the heat and that is what is causing the failures ,although I would think the setup you have should work with the smaller loaded circuit. Suggest you contact the manufacturers tech support or try a different brand of dimmer.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  6. #16
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,841

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    Here's one thought, I wonder if a metal mud ring would help dissipate the heat.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  7. #17
    Join Date
    Feb 2008
    Posts
    45

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    jim - you're a funny man! i drywalled already and my patchup-mudding skills aren't worthy enough

  8. #18
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,841

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    But your skills improve with practice.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  9. #19
    Join Date
    Feb 2008
    Posts
    45

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    true. today i got up at 5am to bbq a 10lb pork butt, did a huge dump run, baked cookies, poured concrete, installed a toilet, reglazed a door, picked out my 55" LCD TV for the basement project finale, and drank copious amounts of beer. not sure where i'm going to squeeze in all that extra mudding practice

  10. #20
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,841

    Default Re: 3 way dimmers. I'm feeling pretty dim.

    I'm wondering is drilling a couple of holes in the bottom and top rim of the mud ring will help.
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

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