Njengoba i-conductor yezimboni isetshenziswa ekujikeni kwe-transformer, i-motor kagesi, i-generator kanye nemishini kagesi ehlukahlukene, izintambo ezinonxande ezinoqweqwe lwawo ziyakhishwa futhi zidonswe enduku yethusi engenawo umoya-mpilo noma i-aluminium kanye ne-aluminium allays induku ngokusebenzisa isikhunta esithile, bese isongwe ngemuva kokumbozwa ngopende ofakwe i-insulated.I-Class 130 Enameled Flat Aluminium Wire isetshenziswa kakhulu kumotho, i-AC UHV transformer kanye ne-DC converter transformer.