12 THHN THWN-2 Stranded Copper Building Wire

Also Known As:

12 copper wire, 12 building cable, 12 hook up wire, 12 conduit wire, 12 nylon wire, 12 construction cable, 12 thermoplastic-insulated copper wire, 12 THHN-PVC tray cable.

Conductor:

THHN THWN-2 conductors are constructed of annealed soft copper that follows ASTM B3 and ASTM B8 standards. 

Insulation:

The cable is insulated with a thermoset plastic jacket (PVC) that is flame-retardant, sunlight-resistant, lead-free, strong, and stable. Without being too bulky, it ensures that the cable can be used in harsh conditions. The jacket is color-coded in accordance with ICEA Method 4.