20 gauge Primary Automotive Wire - 100 Ft. Spool. For general purpose automotive, marine, or other low voltage wiring requirement. 10 strands of 30 awg copper wire. 0.085 Nominal outside diameter. Available in Black, Red, Blue, Green, Yellow, Brown and White. PVC insulation with a temperature rating up to 176°F (80°C). Resists abrasion, acid, oil, and grease. 60 Volt use or less. RoHS Compliant and Made in America.