1 Scope [Replace this clause with the following]

1.1 This Standard specifies the electrical and mechanical characteristics of round wire concentric lay overhead electrical stranded conductors made of combinations of any of the following metal wires: (a) aluminum wires: (i) hard-drawn aluminum in accordance with CAN/CSA-C60889, designated A1; (ii) aluminum alloy AA6101-T81 in accordance with CAN/CSA-C60104, designated A2; and (iii) aluminum alloy AA6101-T83 in accordance with CAN/CSA-C60104, designated A4; and (b) zinc-coated steel wires in accordance with CAN/CSA-C60888: (i) regular strength steel, designated S1A or S1B, where A and B are zinc coating classes; (ii) high strength steel, designated S2A or S2B; and (iii) extra high strength steel, designated S3A.

1.2 The conductor designations covered by this Standard are (a) A1, A2, A4; (b) A1/S1A, A1/S1B, A1/S2A, A1/S2B, A1/S3; (c) A2/S1A, A2/S1B, A2/S3A; and (d) A1/A2, A1/A4.

1.3 The conductors listed in Clause 1.2 are the most commonly utilized in Canada. Other combinations complying with this Standard are permitted.