Ya isi na ngwaahịa ndị n'èzí elu-voltaji fuuz, ibu switches, n'èzí elu-voltaji iche switches, elu-voltaji insulators, n'èzí elu-voltaji zinc oxide arresters na ọla kọpa na-anwụ-mgbatị ngwaahịa gụnyere grounding clamps na soldering tuwizas.
