AC/DC WIRE AND SUPPLY Type TXL Automotive Wiring,19 STRANDS BARE COPPER WIRE. Conductor: Bare Copper Insulation: Cross-Linked Polyethylene (XLPE) Type TXL Automotive Wire Ratings and Approvals: Recommended Temperature Range: -51°C to +125°C. 10 SOLID COLORS: BLACK, WHITE, RED, GREEN, YELLOW, BROWN, BLUE, ORANGE, GREY, PURPLE If we run out of a color we may send another of our choice in place.