what type of wire is this?

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ctaylo360860

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Location
colorado
Occupation
ME
im thinking of using some of this wire in a 2'' poly pipe for my 250a 480v 3ph service. im trying to figure out the ampacity using 310.16 and conduit fill for sched 80 pvc using annex c.10. im guessing that id use the 75 degree column inside 310.16 for my ampacity. im going to parralell two 2/0 runs which should be good for 135amps each. i know the wire is installed of 2" poly pipe, but im wondering if i need to go up to 2-1/2 inch for my schedule 80? would it be considered a compact cunductor and which type of wire is it considered?\ i know i wil not be able to land both 2/0 wires in my main breaker so i will set an enclosure and tap 250 kcmil copper off of each 2/0 run.
 

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augie47

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Location
Tennessee
Occupation
State Electrical Inspector (Retired)
According to spec sheet it's a USE-2.
Not allowed foe any wiring inside of a structure.
 

ctaylo360860

Senior Member
Location
colorado
Occupation
ME
Yeah, I should have service conductors from poco xmfr to my gutter. I will splice in my gutter and go to my 250a service disconnect. Equipment is not on a structure, And does not run under any part of a structure…. Basically I have this stuff sitting in the back of our shop since 2017, so I’m trying to use it. Maybe I should just get my own quadplex 2/0. I also noticed the spec sheet neutral size and the size on my roll are different. It’s speced at 1awg but my neutral is stamped 2awg CE7FE524-37D5-4266-BD1D-6A2A82457D10.jpeg
 

ctaylo360860

Senior Member
Location
colorado
Occupation
ME
I believe I have answered my own question. Use-2 is equivalent size as rhh or rhw-2
 

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