Thermoplastic insulated conductors and an overall thermoplastic jacket. For hand usage applications accordance with NEC. 12 AWG through 16 AWG, -40deg.C to 60deg. C, 300 Volt rating. Applications: Portable tools and lights, conductor: soft annealed standard copper. Insulation: Water resistant PVC. Jacket: Weather resistant PVC, Industry Standard: UL62, UL1581, CSA-C22.2 No. 49.White