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Thread: Tandem breakers

  1. #1
    Join Date
    Apr 2011
    Location
    Hermann, Mo
    Posts
    7

    Default Tandem breakers

    I have never seen a breaker like this I think it is a tandem breaker. Square D box. House was 35 done years old with up grade to box done recently.


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  2. #2
    Join Date
    Jul 2010
    Location
    Wisconsin
    Posts
    274

    Default Re: Tandem breakers

    Yup, they are old style tandems. You can't use them in new boxes, only for replacement in existing installations.




  3. #3
    Join Date
    Apr 2011
    Location
    Hermann, Mo
    Posts
    7

    Default Re: Tandem breakers

    Quote Originally Posted by Daniel Robinson View Post
    I have never seen a breaker like this I think it is a tandem breaker. Square D box. House was 35 done years old with up grade to box done recently.
    Thanks that what I thought.


  4. #4
    Join Date
    Apr 2009
    Location
    NY State
    Posts
    440

    Default Re: Tandem breakers

    That panel is original to the house. It was NOT "upgraded" ever.


  5. #5
    Join Date
    Aug 2008
    Location
    Maryland
    Posts
    1,898

    Default Re: Tandem breakers

    Agreed based on the small wiring gutters and the rust.

    All answers based on unamended National Electrical codes.

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