The 5857-BR005 is a single-conductor hook-up wire designed for high-reliability applications. It is constructed with an 18 AWG (19/30) silver-plated copper conductor and a durable 0.010" wall of PTFE insulation. This wire is rated for 600 VRMS and has a wide operating temperature range of -60°C to 200°C. It complies with military specification MIL-W-16878/4 (Type E) and UL AWM/STYLE 1213 standards. Due to its robust thermal and electrical properties, this wire is ideal for the internal wiring of electrical and electronic equipment in demanding, high-temperature environments.