AAC conductor are used in overhead transmission and distribution systems，and use as connections in substations and switchyards.
Classes AA and A are used for overhead transmission and secondary distribution,and when conductor strength is not a critical factor. Classes B and C are usually used as apparatus connectors and jumpers, where additional flexibility is required.Classes refer to stranding and are an indication of relative conductor flexibility, AA being the least flexible,
AAC bare conductor meets or exceeds the following international specifications:
1）B230 Aluminum 1350-H19 Wire for Electrical Purposes.
2）B231 Concentric-Lay-Stranded Aluminum 1350 Conductors.
3） GB1179-83 Chinese National Standard
4） IEC 60189 Round Wire Concentric Lay Overhead Electrical Stranded Conductor
5）BS215-1 Aluminum Conductors and Aluminum Conductors Steel Reinforced
6） DIN48201 Aluminum Conductors
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