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#1 Cu THWN would be the "cure all" size, then...(?)

i suppose so...(unless other posters object?)

yeah 3/0 cu...did a 200A commercial service in pipe a while back , couldn't seem to find 4/0 CU SEU.....i don't think pipe is prerequisite ???

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Keep in mind, I've never failed an inspection!

well you've got to BE inspected first....

IS THERE AN INSPECTOR IN THE HOUSE?

I've never been failed...
Never seen a 'red tag'
Don't know what a written 'violation' is..

i suspect Virgil & I are leading a sheltered carear ...
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If in fact, an AHJ is willing* to send one of these items i would gladly pay for it, & your postage.

~ I will frame it for my office.....

*(please PM me if so....)