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  1. #1
    Join Date
    Jan 2011
    Location
    Marietta, Georgia
    Posts
    93

    Default Arc Fault Breaker Temp

    Gentlemen and Ladies,

    Question. At what temperature would you consider an arc fault breaker to be 'too hot' indicating a potential concern? Measured several today that were all around 115*. Other, non arc faults, were all room temperature, 76-77*. I typically find them to them several degrees above non arc faults but not this much warmer.

    Thanks

    Inspection Referral

  2. #2
    Join Date
    Feb 2008
    Location
    Caledon, Ontario
    Posts
    5,005

    Default Re: Arc Fault Breaker Temp

    The temperature rating should be on the breaker, to my knowledge that should be about 40 celcius/104 fahrenheit.


  3. #3
    Join Date
    Mar 2007
    Location
    Charlotte, NC
    Posts
    112

    Default Re: Arc Fault Breaker Temp

    Per the attached from Eaton (a manufacturer of over-current devises, including arc faults), between 80 - 120 F is normal, with higher temps (187 F given as example) still meeting UL listing for the devise.

    Attached Files Attached Files

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