Multicore PVC insulated ndi sheathed zingwe zowongolera mabwalo onse osatsekedwa, otsekeredwa mu ngalande, kukwiriridwa mwachindunji, kapena munjira zapansi panthaka zamachitidwe azamalonda, mafakitale, migodi ndi magetsi pomwe sizingawonongeke ndi makina.