Mu nganda z’amashanyarazi, insulator ikora umurimo ukomeye mugukomeza ubunyangamugayo no gukora neza imirongo yo kohereza amashanyarazi. Mubwoko butandukanye bwa insulator, 33 kV 120 kN yo hejuru yo guhuza impagarara iragaragara kubera ibikoresho bidasanzwe hamwe nibiranga imikorere. Insulator zigizwe, bitandukanye na ceramic gakondo cyangwa ibirahuri,