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Thread: Need Help Identifying Electrical box manufacturer

  1. #1
    Join Date
    Nov 2016
    Location
    Phoenix, AZ
    Posts
    1

    Default Need Help Identifying Electrical box manufacturer

    Hello all I am new to this forum.

    My brothers Electrical box needs the back panel replaced and I am having trouble finding who made it.
    To me it looks like a GE box of some type, but most of the Circuit breakers say Cutler Hammer (which is Eaton). There are no markings or stickers for a manufacturer on it anywhere. the sticker on it is the name of the company that installed it.

    The box is somewhere between 20 and 40 years old.

    These are full size pictures:
    Imgur: The most awesome images on the Internet
    Imgur: The most awesome images on the Internet
    Imgur: The most awesome images on the Internet
    Imgur: The most awesome images on the Internet

  2. #2
    Join Date
    Feb 2012
    Location
    Lala land, OH
    Posts
    235

    Default

    They look like Murray from a distance. Look on the small label and you will see a type code. They are often made for several brands so the manufacturer is often not plastered all over.

    If you replace the panel the new panel MUST have the type on the breaker listed on it's label as being allowed. Murray should be readily available. It is in Ohio at least. I installed a Murray panel a few years ago. Pull out a breaker and take it into a store or supply house and see if you can match it up.

  3. #3
    Join Date
    Feb 2012
    Location
    Lala land, OH
    Posts
    235

    Default

    Also, be careful with the tandem breakers. Don't mix them up for double pole 240V breakers.. They are very different. Not all panels allow them, and some that allow them allow them only in certain slots. With a larger panel, you may not even need them.

    20 slot 20 circuit means no tandems allowed
    20 slot 40 circuit means they can go anywhere
    20 slot 24 circuit means there are 4 slots (somewhere) that allow them...

  4. #4
    Join Date
    Feb 2012
    Location
    Kent, WA
    Posts
    216

    Default

    I don't understand what you're trying to do. Do you want to replace a portion of this panel because it is damaged (e.g. rear wall, the bus, or some other part), or replace the entire panel? If a portion, parts for older equipment is difficult or impossible to find (or outrageously priced if you find it). If you replace the panel, this is a combo meter main type so just pick a new brand. If you're wanting to reuse breakers, then pick a brand that matches the breakers. Cutler Hammer BR type breakers are listed for many panels. They are part of a 1" interchangeable group of breakers, but the list of what panels a breaker can go in is kind of tricky (just because they fit doesn't mean it is a proper replacement). It is best to stay with the same brand breakers as listed on the panel to avoid this "classified replacement cross reference" issue.

    If you end up changing the panel, then that opens pandora's box and you have to update the panel to current code rules -- proper grounding, AFCI breakers, etc. Having to upgrade to AFCI breakers means many of the single pole breakers get thrown away because you can't use them for most circuits. And be sure to get enough slots. I have not seen tandem AFCI breakers, so most of those would need to get replaced by two 1" single pole breakers.
    Last edited by suemarkp; 11-12-2016 at 02:42 PM.
    Mark
    Kent, WA

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