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  1. #1
    Join Date
    Mar 2007
    Location
    Washington State
    Posts
    579

    Question Substance on breakers?

    Just wondering if anyone may know what this substance is on the circuit breakers. It was only on a few of the breakers. It's is an older Murray brand panel.

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  2. #2
    Join Date
    Mar 2007
    Location
    Atlanta, Georgia
    Posts
    1,078

    Default Re: Substance on breakers?

    Its the magic leaking out.

    Looks like arcing to me.

    "The Code is not a peak to reach but a foundation to build from."

  3. #3
    Phil Brody's Avatar
    Phil Brody Guest

    Default Re: Substance on breakers?

    It was my understanding that repeated cycling of high temperature in the wire would cause out gassing of some of the insulators chemical composition. Don't know what specific chemical it is.


  4. #4
    Roger Frazee's Avatar
    Roger Frazee Guest

    Default Re: Substance on breakers?

    Trent

    It is possible you may have this going on with the main breaker. That's an older MD200V main breaker and they are IMO the worst main breakers ever produced for residential load centers. I would highly recommend to ask for consideration of a change out of the entire panel.

    More about this at his thread....

    http://www.inspectionnews.net/home_i...n-breaker.html




  5. #5
    William Galbraith's Avatar
    William Galbraith Guest

    Default Re: Substance on breakers?

    Could be due to a fault in the 200 amp breaker causing an electromagnetic situation. Check all screws for tightness. Probably are ok.
    Replace the 200 Amp breaker.
    If you want to get technical, analyze the white deposts.


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