Epoxy-insulated 20-kilovolt ga-igbohunsafẹfẹ toroidal transformer jẹ pataki kan iru ti transformer ti o daapọ iposii idabobo awọn ohun elo, 20-kilovolt foliteji ipele, ga-igbohunsafẹfẹ ṣiṣẹ abuda ati toroidal mojuto be. O jẹ lilo pupọ ni ẹrọ itanna agbara, agbara tuntun, ibaraẹnisọrọ ati awọn aaye miiran.