Wrenches - Is anyone familiar with sunlight resistant THWN-2? I'm inspecting a groundmount on a Landfill where all PV Output Circuit wiring is in exposed cable tray (since they can't dig) and they are using SouthWire SIMpull sunlight resistant THWN-2 conductors. NEC2011 690.31(B) specifies USE-2 or PV Wire for Source Circuit wiring and module interconnection, but doesn't address Output Circuit wiring. Here are the specs for the wire types used:
http://www.southwire.com/products/SIMpullAluminumT90.htm http://www.southwire.com/products/SIMpullTHHNCableAlumflexConductors.htm Is this legit? For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile <http://www.linkedin.com/pub/andrew-truitt/8/622/713> Company Website <http://truittreconsulting.weebly.com/> NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 <%28202%29%20486-7507> [image: 24 copy.jpg] "Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission. And it just so happens that there's an enormous fusion reactor safely banked a few million miles from us. It delivers more than we could ever use in just about 8 minutes. And it's wireless!" ~William McDonough
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