Kuyimitsa kuyimitsidwa kumagwiritsidwa ntchito kukonza waya pa chingwe cha insulator kapena kupachika waya woteteza mphezi.
Pamitengo yowongoka, itha kugwiritsidwanso ntchito kuthandizira ma conductor transposition ndi kuzungulira kwamphamvu pamitengo yosinthira.
Kukonzekera kwa jumper ya nsanja ya ngodya.
Zomangamanga ndi zosungira ndi chitsulo chosungunuka, zikhomo za cotter ndi zitsulo zosapanga dzimbiri, zina ndi zitsulo.Ziwalo zonse zachitsulo ndi zotentha-kuviika kanasonkhezereka.