Le transformer iyi-epoxy resin efakwe isakhiwo esivalekile ngokuphelele kanye nokufakwa kokushisa okugcwele. Yenzelwe ukusetshenziswa ekulinganisweni kwe-voltage, amandla kagesi kanye nokuvikelwa kokudluliselwa ohlelweni lwamandla nge-frequency elinganisiwe engu-50Hz - 60Hz kanye ne-voltage elinganisiwe engu-3,6, 10 kV noma ngaphansi. Usayizi omncane, isisindo esincane, ingafakwa kunoma iyiphi indawo.