Electrical inspection and new off-grid cabin build

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  • Mike90250
    replied
    Is the generator hardwired in, or via a twist-loc cable connector ? if a connector, the inspector shouldn't even care.

    Leave a comment:


  • Electrical inspection and new off-grid cabin build

    Here's an interesting development on my off-grid cabin build.
    My cabin is at the electrical rough in stage and the electrical contractor has determined from my maximum loads and other factors (likely the smallest panel possible) that I need a 30 amp service. He asked about the size of my generator and we responded that it's a 5KW gen-set.

    He's now worried that the electrical inspector will fail us because my generator is under sized for my panel. At 30amps, I would need a 7200 watt generator.

    Now I have designed my cabin and loads to be very frugal so I doubt I could ever draw 30amps.
    I understand why the code is written this way but it doesn't make a lot of sense for an off-grid cabin.

    My solution is to point out that on my XW6048 inverter, I can run in Generator Support mode which combines the output of my battery bank (6KW) and my generator (5KW) for a total of 11KW.
    That's more than enough.

    I just thought I'd post this situation in case of others have run into this challenge before??.
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