Premium Material Solar Cable: Our solar panel extension cable is made of tin plated conductive copper material, low resistance to ensure good electrical conductivity. The solar plug shell is made of PPO insulation material, which has the characteristics of good flame retardancy, self-extinguishing, high strength, abrasion resistance and corrosion resistance. Solar Cable Extension 6mm²: Professional photovoltaic solar cable, TÜV, CE certification, cross-sectional area: 6mm², temperature range: environment -40°C~90°C, test voltage: 6500V, conductor resistance: (20°C) ≤≤5.09Ω/KM, weather resistance: UV, rated current: 55A. Solar Panel Cable: Each solar cable extension includes a plug at both ends that allows you to connect multiple cables together for a longer length. The TÜV imprint per foot indicates that the cable meets TÜV standards for PV solar applications. IP68 Waterproof Plug: Polyolefin, Flame Retardant Insulation Material, Conductor Part, Tinned Copper Material, IP68 Waterproof, Flood Proof, Dust Proof, Weatherproof, Designed for Extreme Heat and Cold, Specially designed for Photovoltaic Systems, Designed for Extreme Weather, It can be buried directly in the ground. Wide application: Solar cable is moisture, UV and corrosion resistant. Designed for long life and outdoor applications. Our product is suitable for solar power plants, PV connectors and PV junction boxes and can be easily connected to similar connector types supplied with most solar modules. 10AWG Solar Panel Extension Cable：Material:PPO/PV,Contact Resistance:≤1mΩ,Rated Voltage：≤DC1500v,Safe Class：II,Rated Current:≤40A,Tensile,Resistance:100N,Tamperature Range:-40℃，+125℃,Degree of Protection:IP67,Cable Section：6mm²,Tinned Copper:10AWG