The 9981-BLK-100 is a black, 100-foot spool of low-temperature plastic lead wire designed for internal equipment wiring. It features a single 18 AWG tinned copper conductor with 19x30 stranding for flexibility, insulated with Polyvinyl Chloride (PVC) to a nominal diameter of 0.066 inches. This wire is rated for 300V RMS and has a maximum operating temperature of 80°C. Compliant with UL AWM Style 1061 and CSA AWM I A/B standards, it is suitable for use in a variety of electronic and electrical applications.