Ku bijyanye na sisitemu yo gukwirakwiza amashanyarazi, guhitamo cabling ni ngombwa kugirango habeho amashanyarazi neza kandi yizewe. Guhitamo imwe izwi cyane ni 8.7 / 15 kV umugozi wa aluminium. Iyi kabili yagenewe porogaramu yo hagati ya voltage, mubisanzwe iboneka mumiyoboro yo gukwirakwiza amashanyarazi. Ikora neza kuri voltage ya 8.7 kV kugeza 15 kV, bigatuma ibereye inganda zitandukanye