Aluminum Building Wire, Abrasion, Moisture, Heat and Sunlight Resistant Insulation;Cable Can Be Installed Without Pulling Lubricant Additional Information, General Purpose Wiring Application, Black, Aluminum Conductor Material, 300 MCM Conductor Size, 255 A Current Rating, Polyethylene Insulation Material, 65 Mil Insulation Thickness, Made In Usa, +90 °C Maximum Operating Temperature, 37 - Strands, 0.705 In Outside Diameter, 1000 FT Overall Length, Carton Package Type, Directive 2002/95/Ec;Federal Specific