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thhn wire specifications

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Copper THHN /THWN-2 is a90C,600-voltbuilding wire for use in residential,commercial,and industrial applications. Intended for use in accordance with the NEC in both wet and dry locations. Conductors 14 AWG through 1 AWG are marked VW-1 and 1/0 AWG through 4000 kcmil are rated for use in cable trays.

People also ask


  • What is THHN wire?

  • What is THHN Wire? THHN (Thermoplastic High Heat-resistant Nylon-coated) wire is designed with a PVC (polyvinyl chloride) insulated nylon sheath. Most THHN building wire comes with the dual rating THHN/THWN, meaning it is usable in both wet and dry conditions, as well as both indoor and outdoor use.

  • How much does thhn14bk wire cost?

  • not present Part Number Insulation Color Gauge Description Price THHN14BK Black 14AWG Type THHN wire, bare copper, 19 strands, … $110.25 14AWG Type THHN wire, bare copper, 19 strands, … 500鈥? 7.8 lbs $110.25 14AWG Type THHN wire, bare copper, 19 strands, … 500鈥? 7.8 lbs $110.25 17 more rows …

  • What is the temperature rating of a THHN conductor?

  • THHN carries a UL rating of 90 degrees Celsius in dry environments and 75 degrees Celsius in wet environments. The conductor can either be copper or aluminum and either stranded or solid. It is available in 12 colors and is generally used in electrical applications of 600V or less.

  • What is THWN wire made of?

  • 1.1 This specification describes single conductor THWN or THHN, a general purpose building wire insulated with polyvinyl chloride (PVC) and covered with a tough protective sheath ofnylon intended for lighting and power circuits at 600Volts or less, in residential, commercial and industrial buildings.

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