SThe aluminium wire armor (AWA) yetambo imwe chete yepakati uye simbi waya yezvombo (SWA) yemulticore tambo inopa yakasimba mechanical dziviriro ichiita idzi 11kV tambo dzakakodzera kuvigwa zvakananga muvhu.Aya akashongedzerwa MV mains tambo dzemagetsi anowanzo kupihwa nemaconductor emhangura asi anowanikwawo nealuminum conductors pakukumbira kune imwechete chiyero.Iwo maconductor emhangura akasungwa (Kirasi 2) nepo maaruminiyamu conductor achienderana neyakajairwa achishandisa zvese zvakasungwa uye zvakasimba (Kirasi 1) zvivakwa.