Southwire 500 ft. 10/1 Solid THHN Building Wire90 degree Celsius, small diameter, general purpose, 600 volt building wire to be used as power, lighting and control wiring. Suitable for use in conduit and raceways. Solid or stranded copper with flame retardant PVC insulation and nylon jacket. Resistant to oil, gasoline, chemicals and abrasion. UL listed. 500 feet spool. Due to the fluctuation of the copper market, do it best corp. Reserves the right to bill at the prices prevailing on date of