Southwire 4 Awg Thhn Strand Wire Green - 500 ft. - Pack of 500

600 Volt Alumaflex® Brand Aluminum Alloy (AA-8176) Conductor. Thermoplastic Insulation/SIM Nylon Sheath. Heat, Moisture, Gasoline, Oil, and Sunlight Resistant. Also Rated THWN-2. SIMpull® Technology for Easier Pulling