AC/DC WIRE AND SUPPLY Type GXL Automotive Wiring .Construction 19 STRANDS OF 25 AWG BARE COPPER WIRE. Conductor: Bare Copper Insulation: Cross-Linked Polyethylene (XLPE) Type GXL Automotive Wire Ratings and Approvals: Recommended Temperature Range: -51°C to +125°C SAE Specification: SAE J-1128 60 volts rms OD: .026 . 25 FT EACH OF THE 8 STRIPED COLORS