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HW001: THHN/THWN-2 Building Wire

HW001: THHN/THWN-2 Building Wire Live Chat Ask A Question View Spec Sheet

Application

For use in general wiring applications for power, lighting, and control circuits. THHN wire can be used in conduit, ducts, and cable tray when CT rated for service feeders and branch circuits in industrial and commercial installations. Maximum conductor temperature of 90ºC in wet and dry locations. For use in oil or coolants at conductor temperatures not exceeding 75ºC. Chemical, gasoline, and oil resistant II.

What is THHN wire?

The THHN in THHN wire stands for Thermoplastic High Heat-resistant Nylon coated. It is either manufactured in copper or aluminum and covered in a PVC insulation with a nylon jacket. Depending on the size, THHN can come in stranded or solid conductors. THHN building wire can also be used for the wiring of control circuits and machine tools.

Conductor
  • Solid bare, annealed copper per ASTM B3.
  • Stranded bare annealed copper per ASTM B3 and ASTM B8. 14, 12, 10, and 8 AWG and ASTM B8 for sizes 6 AWG and larger.

Insulation
  • Heat, moisture, and flame retardant PVC per UL Standard 83 and UL Standard 1063.

Jacket
  • Clear Nylon per UL Standard 62

Flame Tests
  • UL 1685 – for CT listed 1/0 AWG and larger
  • 14 AWG – 750 kcmil are VW-1 rated

Additional Standards
  • Federal Specification CID A-A-59544
  • UL 1063 (Type MTW for stranded items)
  • RoHS Compliant

Note
  • CT rated on sizes 1/0 AWG and larger

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HW001: THHN/THWN-2, PVC/Nylon

For use in general wiring applications for power, lighting, and control circuits. It can be used in conduit, ducts, and cable tray when CT rated for service feeders and branch circuits in industrial and commercial installations. Maximum conductor temperature of 90ºC in wet and dry locations. For use in oil or coolants at conductor temperatures not exceeding 75ºC. Chemical, gasoline, and oil resistant II.

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