Lolotonga e fakatahaʻanga ʻo e ngaahi meʻangaue maluʻi lahi ange, ʻOku faleʻi ʻa e kau ngaue ke nau tokanga taha ki he ngaahi tafaʻaki mahuʻinga ko ʻeni:
1. ʻOku mahuʻinga ke liliu ʻa e ngaahi meʻa fakaʻuhila mo creepage mamaʻo ʻo e ngaahi konga ʻoku malohi ke fenapasi mo e ngaahi fakahinohino pau.
2. Ko e ngaahi tuʻunga maluʻi ki he tupulaki e malú kuo pau ke tauhi ʻa e ngaahi puha, mo ha faʻahinga SIʻisiʻi taha ʻo e IP54 pe IP44.
3. ʻI he tuʻunga ʻo e lahi ange ʻa e moto malu, ʻOku totonu ke feau ʻe he radial unilateral ʻa e ngaahi meʻa ʻoku fokotuʻu.
4. Fekauʻaki mo e lahi ange ʻa e mama malu hono naunau, ʻOku fie maʻu ke fakapapauʻi ʻa e vamamaʻo ʻi he vahaʻa ʻo e mama mo hono takafi ʻoku ʻikai puli ʻi he hili hono fola.
5. Ke toe lahi ange ʻa e fakafepaki ki he malu, ʻOku mahuʻinga ke lava ʻe he ngaahi ʻelemeniti pelepelengesi ʻo e ʻea ʻo fakaʻilo ʻa e lahi taha ʻo e meʻa fakamafana mafana ʻo e ʻea fakatahaʻanga.