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EF: Which 4 awg is best for application? 4 THHN THWN-2?

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EF: Which 4 awg is best for application? 4 THHN THWN-2?

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pablopablo

Which 4 awg is best for application? 4 THHN THWN-2?

need direction on which type of 4awg copper to buy.
context is an 85 foot run on bedrock carrying 50v/50a from solar panels to battery house. will be in plastic/metal conduit.

is there one type of 4awg that would be best?

it seems the cheapest is 4 thhn thwn-2 :
nassaunationalcable.com

4 THHN THWN-2 Stranded Copper Building Wire ​

Specifications : Size AWG : 4, Weight per 1,000 ft : 155 lbs, Outside Diameter : 0.330 inches, Conductors : Annealed Soft Copper per ASTM B3 and ASTM B8, Number of Strands : 19, Insulation : PVC, Insulation Thickness (mils) : 40, Nylon Thickness (mils) : 6, Jacket : PVC, Houston Wire Part # ...
nassaunationalcable.com
nassaunationalcable.com

is that a good choice?
any help appreciated.

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