Babban samfurin kundin kaya: 220kV da ƙananan ƙarfin zinc oxide da ke ƙaruwa, sauyawa mai sauyawa, fiyuwar fiyo, bututun lantarki na bas-bar, zubar da ƙarfi, limitarfin wutar lantarki na ƙwallon ƙafa (akwatin), bushing bango, 110kV da prefabrication na ƙananan ƙarfin wuta, Cikakken sanyi mai ƙyama ko kayan haɗin kebul mai ƙarancin zafi, 500kV da ƙananan insulator mai haɗaka insulator da dai sauransu nau'ikan kayan lantarki.