Highly flexible copper conductor, insulated with an EPDM jacket and paper separator. Operating temperatures range from -50°C to +105°C (-58°F to +221°F). Rated to 600 volts Resists Abrasion, Cut, Tear, Flame, Grease, Oil and Water RoHS Compliant. Rugged jacket and highly flexible. Made in the USA. SAE J1127 Standard Requires a minimum amount of copper. Higher tensile strength.