Bushing-ka Transformer-ku waa qaab-dhismeed dahaar ah oo sahlaya marinka koronto-qaade firfircoon oo sita hadda iyada oo loo marayo haanta dhulka ku taal ee transformer-ka. Bushing-yada loo isticmaalo wareegga danab-yar ee transformer-ka badanaa waa nooc adag oo leh dahaar porcelain ama epoxy ah.
Bushing-ka aasaasiga ah ee porcelain waa qaab porcelain ah oo godan oo ku habboon god ku yaal derbi ama kiis bir ah, taasoo u oggolaanaysa koontaroole inuu dhex maro bartamaha, oo uu labada darafba ku xidho qalabka kale. Bushing-ka noocan ah waxaa badanaa laga sameeyaa porcelain lagu shido qoyaan, kaas oo markaa la dhalaaliyo.
Waxaan haynaa khadka wax soo saarka oo dhammaystiran oo ay ku jiraan shaybaarka tijaabada. Waxaanna ku siin karnaa alaabada sida waafaqsan shuruudahaaga.