SVOPES 20 ft. Solar Panel Extension Cable (Black plus Red). Reliable Power Transmission for Your Solar System. This 20 ft. (6.1 m) solar extension cable is designed to maximize the efficiency of your solar energy system. Featuring high-quality red and black wires made from 100% tinned copper, it ensures optimal power transmission. The 10AWG gauge is engineered to handle high current loads with ease, making it ideal for use in solar setups with a DC 1500-Volt rating. Built to endure, this extension cable is IP67 waterproof and dustproof, withstanding harsh environments and extreme temperatures ranging from -40℉ to 221℉ (-40℃ to 105℃). With its UV-resistant and heatproof XLPE insulation, this cable is also UL/TUV certified for long-lasting durability, providing reliable performance for over 25-years. High-Efficiency Power Transmission, 10AWG Wire Gauge for High Current Loads, IP67 Waterproof and Dustproof Design, UV-Resistant and Heatproof XLPE Insulation, 25-plus Years of Reliable Performance.