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2-2-2-4 cable

31K views 16 replies 12 participants last post by  Speedy Petey 
We are rewiring a residential remodel and the owner has decided to remove the ceiling for an exposed beam look.
We need to closely follow some of the existing spaces in the dwelling to conceal the feeder.
This means that running any type of conduit is out.
We don't see much of it here but I know some of you guys run a 2-2-2-4 cable from the exterior panel into the interior panel.
I realize that USE is only for underground and has no fire rating.
That leaves us with SE cable. I understand that SE can originate from an exterior panel when protected from physical abuse. I have to assume regular Schedule 40 PVC would be the best way to go.

My question for those with experienced with this wiring method:
Is 2-2-2-4 SE the proper cable to bring in for an interior sub panel?
My load calculation is just under 80 amps.
Also the one thing to note is that here in Minnesota the AHJs require that the #2 AL SER be protected with a 90 amp breaker, not sure if you have to do that there but heard horror stories about ECs having to redo the wiring after the fact and costing big dollars and wanted to make sure you were aware just in case.
 
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