Ama-insulators enziwe ngezinto ze-DMC/BMC ezikhunjini ezikhethekile ngaphansi kokushisa okuphezulu nokucindezela okukhulu.I-insulator yangokwezifiso ene-voltage ehlukile ye-standard ingathuthukiswa futhi ikhiqizwe ngokwesidingo sabasebenzisi ngasinye.