The 5857-OR005 is a high-performance, single-conductor hook-up wire designed for the internal wiring of electronic equipment. It is constructed with an 18 AWG, 19-strand silver-plated copper conductor and a durable, 0.010-inch nominal wall PTFE insulation. This wire is rated for 600 VRMS and has a wide operating temperature range from -60°C to 200°C. It complies with military specification MIL-W-16878/4 (Type E) and UL AWM Style 1213. The combination of high-temperature performance and robust electrical characteristics makes it ideal for demanding applications in aerospace, military, and industrial electronics.