- Southwire® Armorlite® Building Wire, Type MC/THHN, Coil Packaging, 600 VAC, 30 A, 3 Conductors, Solid Copper Conductor, 10 AWG Conductor, 0.57985 in OD, 250 ft Length, 1 Strands, PVC Insulation, Aluminum Jacket, Black/Green/Red/White Jacket, 75/90 deg C