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nema 3r
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  1. Canadian Electrical Forum
    I have a project that the customer is requiring us to have the enclosure meet NEMA 12 standards. The control transformer we selected is rated NEMA 3R. It is mounted to the side of the enclosure. Our panel shop is saying that due to C22.2 486-17 4.7.1, the transformer forces the panel to be...
  2. General Electrical Discussion
    Hi Folks, This is Bruce again from Plymouth, MI. Pretty sad...on a Saturday night doing this! I can't say much about my project, but I would like your help with some questions about enclosing an outdoor power conditioning system in a NEMA 3R enclosure. I don't know yet if I'll be able to...
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