The 1857/19-WN001 is a single-conductor hook-up wire designed for the internal wiring of electronic equipment. It is constructed with an 18 AWG (19/30 stranding) tinned copper conductor and a nominal 0.010-inch wall of PVC insulation. This wire is rated for 600 VRMS and has a wide operating temperature range of -55°C to 105°C. Compliant with military specification MIL-W-16878E/1, this wire is suitable for general-purpose applications requiring a reliable and durable connection.