... , II, IV), IEC-228 (AAAC) Conductor as per ASTM-B-399-1992 (AAAC) Conductor as per BS-3242-1970 (AAAC) Conductor IS: 398-IV-1994 (ACSR ... and metal conductivity of 61.2% IACS for EC (1350) and 8% IACS for steel. AC (60Hz) resistance includes current dependent hysteresis ... loss factor for 1 and 3 layer constructions. Current ratings are based on 75oC conductor temperature, 25oC ambient, 2ft/s wind, 96 ...