GXL SAE J1128. Automotive wire has a Stranded bare copper conductor. Cross-linked polyethylene insulation and meets the Ford(MIL-85B), Chrysler (MS-8900) specs. has a heat rating of . -51C to 125C.
GXL INSULATED 14 GAUGE WIRE WITH BARE COPPER WIRE STRANDS AND LEGEND PRINTED ON THE JACKET. GXL Wire is intended for use in engine compartments where higher heat resistance is required according to SAE J-1128. Recommended temperature range for GXL Wire is -51°C to +125°C. OD IS .117