THHN Building Wire, Heat, Moisture, Gasoline and Oil Resistant;SIMpull(R) Technology for Easier Pulling;Sunlight Resistant Additional Information, Commercial;Industrial Application, Gray Color, Copper Conductor Material, 250 kcmil Conductor Size, 215 A (60°C);255 A (75°C);290 A (90°C) Current Rating, PVC Insulation Material, 60 mil Insulation Thickness, Nylon Jacket Material, Made in USA, +90 °C Maximum Operating Temperature, 37 - Strands, 694 mil Outside Diameter, Reel;Spool Package Type, CSA C22.2 No. 75