Check the listing for details. 12 AWG Solid THHN Wire 100% OFC Copper Electrical Building Wire Nylon Jack. Condition: New. Listed at 44.73 USD. 12 AWG Solid THHN Wire, 100% OFC Copper Electrical Building Wire with Nylon Jacket PVC Insulation, Rated for Up to 600 Volts, Heavy-Duty for Residential, Industrial, Commercial, Black (100 Feet)Quality WireLow Electrical ResistanceSecure & StableFlexible & BendableMultiple OptionsWide ApplicationCopper Wire DC Resistance: Max Conductor Resistance 5.31 Ω/KM at 20°C,Operating Temperature: -13℉ to 194℉/-25℃ to 90℃,Cable Specification: 12 AWG,Conductor Strands: 1 Strand,Item Model Number: ULTHHN-12AWG-BLK-SLD,Cable Diameter: Ø 0.12 in/Ø 3.1 mm,Cable Length: 100 ft/30.48 m,Leakage Resistance Test: 2000V High Voltage,Rated Voltage: 600V AC Versatile for Any Job: With dual-layer insulation that handles humidity and temperature swings, this THHN ele.