... 19 wires, concentrically stranded about a steel core. Core wire for ACSR is available with class A, B ... , or C galvanizing; ""aluminized"" aluminum coated (AZ); Or ... Steel Reinforced (ACSR) B-341 Aluminum-clad Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR/AW) ... . Current ratings are based on 75°C conductor temperature, 25°C ambient, 2ft/s wind, 96/watts ...