DTP-3012-500 - 12 AWG 30 mil Solid Copper Purple Tracer Wire - 500 ft RollCopperhead DTP 3012 500 12 AWG 30 mil Solid Copper Purple Tracer Wire 500 ft Roll The Copperhead DTP 3012 500 Tracer Wire is a high strength locating wire designed for underground utility installations where durability and long term performance are essential. Built with a 12 AWG solid copper clad steel conductor and protected by 30 mil high density polyethylene (HDPE) insulation, this wire delivers excellent tensile strength while maintaining reliable