Construction This bare concentric-lay stranded conductor is constructed with a straight round central aluminum wire surrounded with one or more layers of helically-laid aluminum wires. These conductors are also manufactured as compact conductors if required. 6201 is also available. Standard ASTM B230, B231,IEC, or other standards required by customers. Applications Sino-cables type AAC is suitable for 1.Class AA as bare conductors usually used in overhead lines. 2.Class A as conductors to be covered with weather resistant materials and for conductors where greater flexibility is required. z Package in coil, steel and wooden reel, steel reel, wooden reel.