He rereke mai i te miihini tuhi waea noa, ko te miihini tuhi waea whangai tika e tango ana i te hangarau mana huringa huringa AC, te punaha whakahaere rorohiko ranei a DC me te whakaaturanga mata, he nui te mahi aunoa, he watea te mahi me te kounga teitei o nga hua tohia. He pai mo te tuhi i nga momo waea whakarewa me te diameter iti iho i te 12 mm.