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Conductor Material

3.4. Conductor Material

Electric power conductors are generally of the following materials: Copper, aluminium and steel or some combination of these three metals. In some cases special alloys have been used. From a conductivity point of view, copper is the best conductor material, aluminium being second, and steel last. Commercial conductors are made in several forms, namely:

(i)                           Solid hard-drawn copper

(ii)                        Stranded copper

(iii)                      Hollow copper conductor, stranded

(iv)                      Hollow copper conductor, segmental

(v)                         Copperweld copper

(vi)                      Aluminium stranded, steel cored.