10 Gauge general purpose MTW hookup wire. Made from 105 strands of 30 gauge of annealed pure copper covered in a PVC insulation. Nominal outside diameter of 0.180''. Meets the following specifications: UL, CSA, MTW, TEW, AWM, 1015, 1230, and 1345. RoHS compliant. Maximum temperature rating of 221°F (105°C). Available in 25 ft. lengths, 100 ft. spools, or 500 ft. spools. Colors are Red, White, Black, Blue, and Green. Made in the USA.