4 AWG THHN Wire 10FT Stranded Bare Copper Conductor Green High-Quality Bare Copper Conductor –stranded wire with bare copper conductor for superior conductivity, ensuring optimal electrical performance. Durable THHN Insulation – Featuring thermoplastic high-heat-resistant nylon-coated (THHN) insulation, offering strong protection against heat, moisture, and environmental elements. Flexible & Easy to Install – The stranded copper conductor makes this wire highly flexible, making installation easy even in tight spaces and complex setups. Weather-Resistant – The robust nylon jacket resists oil, gas, moisture, and heat, ensuring reliability and safety for both indoor and outdoor environments. Versatile Electrical Use – Perfect for panel wiring, grounding, lighting circuits, and control systems in residential, commercial, and industrial settings.