8 Gauge black automotive primary wire made with a copper core composed of 19 strands of 21 gauge pure copper. Black PVC insulation protects from abrasion, grease, oil, and acids. RoHS Compliant. Meets SAE J1128. Temperature rating up to 176°F (80°C). For use in low voltage electrical applications such as automotive, marine, and other 60 volt or less systems. 500ft. Spool. Made in America.