Pro-Line's tracer wire is designed for reliable underground locating and identification, featuring a robust 12 AWG solid copper construction that ensures optimal conductivity. Encased in a durable 30mil polyethylene insulation, this red wire boasts a break load of 282 pounds, providing both strength and resilience in various applications. Conveniently offered on a 2500-foot reel, it allows for extensive use in projects requiring precise tracing capabilities, making it an essential tool for professionals in the cable and wire industry.