Southwire® SIMpull THHN® copper conductors are made with soft drawn copper. Combination-unilay stranding. The wire is covered with a tough heat and moisture resistant PVC insulation with an overall ...

600 Volts. Copper Conductor. Thermoplastic Insulation/Nylon Sheath, Heat, Moisture, Gasoline and Oil Resistant II. Rated THHN and THWN. Also rated MTW and AWM.