Conducteurs pour lignes aériennes à brins circulaires, câblés en couches concentriques

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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;

(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; and

(c) aluminum-clad steel wires in accordance with CAN/CSA-C61232 using Class 20, designated 20SA Type A, corresponding to a conductivity of 20.3% IACS. 

1.2
The conductor designations covered by this Standard include but are not limited to 

(a) A1, A2, A4; 

(b) A1/S1A, A1/S1B, A1/S2A, A1/S2B, A1/S3A; 

(c) A2/S1A, A2/S1B, A2/S3A; 

(d) A1/20SA; and 

(e) A1/A2, A1/A4.