18 gauge Primary Automotive Wire - Bulk 1000 Ft. Spool - Available in Black, Orange, Red, Blue, Green, Yellow, Brown and White. Wire is ROHS compliant. For general purpose automotive wiring and low voltage electrical use. Purple PVC insulation. Strand count: 16. Temperature rating up to 221°F (105°C). Voltage rating: 60 volts. Made in the USA.