20 AWG Gauge TXL Automotive Stranded Hook Up Wire Kit, 100 ft Length Each, 10 Colors, 0.070" Diameter, 60 Volts. $93.29. In Stock. (XLPE) insulation. This hook-up wire construction is capable of resisting high temperatures of up to 125°C (257°F). The XLPE coating also protects the wire from abrasion, oils, chemicals, fuels, and solvents 18 AWG TXL Wire . TXL-18 isposed of a 16/30 stranded bare copper conductor with cross-linked polyethylene (XLPE) insulation material. These cables are rated for a voltage of 50 volts, have a rmended temperature range of 51°C to 125°C, and weigh approximately 6.9 lbs/MFT.SAE standard 16AWG 18AWG 20AWG XLPE insulated electrical system GXL TXL GPT SXL single core automotive cable, US $ 0.2 - 0.5 / Meter, Zhejiang, China, ADS, GXL/urce . on .20 AWG (7/0.32) BC TXL Applications: This electrical cable is generally used in medium weight industrial and automotive applications. It can operate in a wide range of temperatures, specifically from -40°C to 125°C in both wet and dry environments. The size of the automotive cable varies from 8 AWG to 22 AWG.