NMWU Wire, 3 Conductors, 12 AWG Conductor, Copper, 0.47 in Outside Dia, Stranded/Solid: Stranded, 1 Strands, Black/Red/White Color Code, 300 V, 20 A, PVC/Nylon Insulation, 0.06 in Insulation Thickness, PVC, Black, 0.03 in Jacket Thickness, -40 to 60 deg C, Standards/Approvals: ASTM Specified|Canadian Electrical Code|CSA C22.2 No. 48 Certified|CSA FT1 Rating Certified, Applications: For underground installations, including direct burial, it may also be used for environments exposed to the weather in dry and wet locations