Excellent Conductivity: This solar panel extension cable features a 100% tinned copper conductor to deliver high efficiency and low resistance power transfer. It reduces energy loss and ensures stable performance even in harsh outdoor environments Flame-Retardant Protection: This solar panel wire uses XLPE insulation that is sun-resistant, corrosion-resistant, and heat-resistant. The flame-retardant protective sleeving withstands up to 230C, reduces tangling and supports 25+ years of service life Reliable 10AWG Cable: Tested to TÜV standard, this solar panel cable meets international security standards. It is ideal for high-power solar systems, with a 50 ft (15.24 m) length for flexible DIY installations All-Weather Reliability: This solar panel wire operates from -40°F to 194°F and is IP67 waterproof rated, ensuring stable performance in rain, snow, heat, and harsh outdoor conditions for year-round dependable power delivery

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