Te tiaki i te ngaohiko nui me ngā wāhanga takitahi me ngā varistor i roto i te hoahoa pūrua
Ka taea te whakamahi i ngā momo whakawhiti whakarewa-waikura i roto i te hoahoa pūrua. Kua whakaaetia ēnei mō te ngaohiko whakahaere auau mana āhua-ngaru-sin mōrahi, e tāia ana ki te wāhanga. Ko ngā ngaohiko katoa he nui ake i te mōrahi kua whakaaetia-
Ka tukuna haumaru ngā whaea i roto i te 25 ns. Ka whakamahia ngā Varistor mō te mana waenga ki te mana teitei.