ʻOku faʻa fehuʻi ʻe he kau fakatau fekauʻaki mo e fakauaea ʻi loto ʻo e ngaahi puha tufakiʻanga naunau. ʻI he ʻAho ni, ʻOku vahevahe ʻe he timi ʻi he ngaahi meʻangaue fakaʻuhila ʻa e ngaahi fakahinohino ko ʻeni:
1. Ko e malohi ʻo e puha tufakiʻanga naunau ʻoku ʻi he vahaʻa ʻo e 7.5 ki he 10 kilowatts, feʻunga mo hono fakaʻaongaʻi ʻo e 220-volt mo e ngaahi meʻangaue malohi. ʻOku totonu ke makatuʻunga ʻa e fokotuʻutuʻu ʻo e puha tufakiʻanga naunau ʻi he ongo fie maʻu ko ʻeni.
2. Ki ha konga ʻe tolu ʻo e uaea mama maluʻi, ha vahaʻa ʻo e 63A ki he 100A ʻoku feʻunga. Ki he 220-volt mama maluʻi, ʻOku feʻunga pe ʻa e 32A fetongi. Ki he ngaahi faiʻanga fakamafola volt ʻe 220, 10ʻOku fokotuʻu atu ha foʻi POkoʻi PIN ʻe ua mo e 16A ki he pokoʻi PIN ʻe tolu.
3. Fekauʻaki mo hono fokotuʻu ʻo e ngaahi konga, ʻOku totonu ke maʻu ʻa e konga ʻe tolu ʻo e mama maluʻi ʻi he uaea ʻe fa ʻo fakaʻaongaʻi ʻa e polota ʻe fa mo e foʻu. ʻOku totonu ke kaka ʻa e 220-volt mama maluʻi mo e pokoʻi ʻi ha kaokao, ʻa ia ʻoku fakaleleiʻi ʻaki ʻa e sikalu ʻoku ne lomiʻi pe ʻe kita.
4. Fakaʻaongaʻi 6 ki he 8 Sikuea millimeter e uaea ʻo e kopa ki he ngaahi laine ʻuhila, ʻi he lanu kulokula, engeenga, mo e lanu mata. Ki he maʻuʻanga malohi volt ʻe 220, fakaʻaongaʻi 2.5 Sikuea millimeter e uaea ʻo e kopa ʻi he lanu kulokula mo e lanu pulu. ʻOku totonu ke hoko ʻa e uaea kelekele ko ha 2.5 Sikuea millimeter lanu mata matohitohi uaea.
5. Ke faingofua hono tokangaʻí mo hono fakaʻaongaʻí, mavahe mei he 380-volt mo e 220-volt ngaahi naunau. ʻOku, fakafehokotaki fakahangatonu 220 volts ʻi he huʻanga malohi. ʻOku totonu ke fakaʻaongaʻi ʻe he huʻanga malohi ha founga uaea ʻe tolu, ʻa ia ʻoku kau ai ha konga ʻe tolu uaea, ko e taha ʻoku ngaue ʻi ha uaea ʻoku ʻikai ke ʻ, mo e uaea malu ʻe taha.
ʻOku ʻi ai e ʻamanaki ʻe ako faivelenga ʻe he tokotaha kotoa pe ʻa e ngaahi founga mo e ngaahi fakatamaki fakauaea ko ʻeni, tokanga pau ki he ngaahi tuʻunga moʻui ke fakapapauʻi ʻoku totonu mo malu fakauaea.