HW001: THHN/THWN-2 Building Wire

Houston Wire Conductor (HWC)

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.

brands

Houston Wire Conductor (HWC)

Conductor
Solid bare, annealed copper per ASTM B3Stranded 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.
Flame Test
UL 1685 – for CT listed 1/0 AWG and larger14 AWG – 750 kcmil are VW-1 rated