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  1. #1
    Join Date
    Mar 2010
    Location
    Ocala Florida
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    138

    Default White ceramic type substance on breakers, what could it be?

    Found this on 2006 Siemens panel, never seen it before. It looks like a course ceramic type material and kind of disintegrates (not bad) when rubbed with finger. It is uniformly on all breakers like it was possibly manufactured this way but not sure. Any thoughts? Thanks

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  2. #2
    Join Date
    Feb 2009
    Location
    Southern Vancouver Island
    Posts
    4,607

    Default Re: White ceramic type substance on breakers, what could it be?

    Isn't that just drywall dust?
    What's it taste like?

    John Kogel, RHI, BC HI Lic #47455
    www.allsafehome.ca

  3. #3
    Join Date
    Mar 2010
    Location
    Ocala Florida
    Posts
    138

    Default Re: White ceramic type substance on breakers, what could it be?

    That's a good thought but no.


  4. #4
    Join Date
    Aug 2011
    Location
    Bennett (Denver metro), Colorado
    Posts
    1,461

    Default Re: White ceramic type substance on breakers, what could it be?

    This has been addressed in other threads, but the quick answer is that there is no problem. During the production of the breakers, a small hole is plugged with a dry caulk type material. Over time this material breaks down some into that white powder. It isn't a defect or problem.

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  5. #5
    Mbrooke's Avatar
    Mbrooke Guest

    Default Re: White ceramic type substance on breakers, what could it be?

    Cement over the adjustment screw. Just happens to be white on these breakers. Ge uses a black substance Square D just tapes over them. All different but ok methods.


  6. #6
    Join Date
    Oct 2010
    Location
    Luxemburg, Wisconsin
    Posts
    46

    Default Re: White ceramic type substance on breakers, what could it be?

    Mud Daubers


  7. #7
    Join Date
    Aug 2011
    Location
    Bennett (Denver metro), Colorado
    Posts
    1,461

    Default Re: White ceramic type substance on breakers, what could it be?

    Quote Originally Posted by Bruce Low View Post
    Mud Daubers
    Funny You must have very tidy mud daubers up north with very very white dirt.

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  8. #8
    Join Date
    Dec 2007
    Location
    Holladay, UT
    Posts
    577

    Default Re: White ceramic type substance on breakers, what could it be?

    As I remember this came up before and it is as Lon said. Manufacturer applied.

    Tom Rees / A Closer Look Home Inspection / Salt Lake City, Utah
    http://acloserlookslc.com/

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