... where special geographical teatures exist. 1. Specification: (1) all aluminium conductor (AAC)(2) all aluminimum alloy conductor(AAAC)(3) aluminum conductor steel ... ASTM (AAC, ACCR, AAAC, ACSR) Generally Confirming to IS 398 (Part-I, II, IV), IEC-228 (AAAC) Conductor as per ASTM ... -215-II-1970 (AACSR) as per IEC-1089-1191 AAC(All aluminum conductor) are suited for overhead power line. We can ...