1. ʻOku hanga ʻe hono fili ʻo e meʻangaue fakaʻuhila ʻo ʻomi ha mahino fakalukufua ki he ʻatakai ʻe ngaue ai ʻi he, kau ai e tuʻunga ʻo e ʻatakai, Fakafaʻahinga ʻo e ʻēliá, pea mo e ngaahi ʻulungaanga ʻo e maumau lolotonga mixtures.
2. Makehe mei hono fakahoko e tuʻunga angamaheni ki hono fola ʻo e ngaahi feituʻu malu, ngaahi meʻa fakaʻuhila ʻi he fakafepakiʻi ʻOku totonu ke muimui e ngaahi ʻatakai ki he ngaahi fakahinohino ko ʻeni:
1. Ko e lelei taha hono fokotuʻu e ngaahi device ʻi he souni ʻoku ʻikai fakatuʻutamaki, pe ʻi he ngaahi feituʻu ʻoku siʻisiʻi hono fakatuʻutamaki kapau ʻe ʻikai toe kalofaki.
2. Muimui ʻi he ngaahi meʻa fakapepa fakatekinikale pau ki hono fola pe fetongi, fakapapauʻi ʻoku fenapasi e ngaahi meʻangaue pau mo e ngaahi meʻangaue totonu.
3. ʻOku totonu ke tākiekina e ngaahi meʻangāue fakaʻuhilá ke fili ʻe hono ʻātakai ngāué, taipeʻi, mo hono fakaʻaongaʻi ʻo e ngaahi tuʻ. Kuo pau ke fenapasi hono fili ʻo e ngaahi meʻangaue mo e ngaahi kulupu ʻo e fakaʻauha mo e tuʻunga ʻo e maumau mixtures ʻi he feituʻu ko ia. Kapau ʻoku ʻi ai ha ngaahi meʻa lahi ʻoku ne fakafepakiʻi, fakatefito ʻa e fili ʻi he maaka mo e taʻanga ʻoku tuifio. ʻI he ngaahi meʻa ʻoku ʻikai lava ke siviʻi, fili ki he maaka mo e faʻahinga ʻoku tuʻu fakatuʻutamaki ange. Hange ko ʻeni, Fakasouni 0 fie maʻu pe ia tuʻunga intrinsically meʻangaue malu; Fakasouni 1 fakaʻata ha ngaahi faʻahinga kehekehe kau ai ʻa e flameproof mo intrinsically malu; Fakasouni 2 fakangofua ʻa e meʻangaue ki he fakamoʻoni pe ko kinautolu kuo fakangofua ki he souni 1. Fakalahi e meʻangaue ki he faʻahinga maluʻi ki he souni 1 ʻoku fakangatangata pē ki he.
4. Fale pe fakafehokotaki e ngaahi puha ʻoku ʻikai ke ne fakatupu ha ngaahi kalofiama, ArcS, pe mafana fakatuʻutamaki ʻi he ngaahi tukunga angamaheni.
Lavameʻa maʻolunga, thermally maluʻi tupulaki e malú asynchronous moto.
ʻOku lahi ange ʻa e ngaahi maama maama tiupi ʻi he palaki ʻe taha.
Kuo pau ke talangofua ʻa e Apparatuses ʻuhila ʻoku fakaʻaongaʻi ʻi he ngaahi ʻatakai ʻoku maumau ki he ngaahi tuʻunga moʻui fakafonua lolotonga pea maʻu ha tohi fakamoʻoni ʻo e fakaʻauha mei he kau maʻu mafai mahuʻinga.
5. ʻOku totonu ke fakasiʻisiʻi ʻe he ngaahi meʻangāue fakaʻuhila ʻi he ngaahi ʻātakai peheé ʻa e fakatuʻut, meʻa fakamisini, thermal, mo e ngaahi moʻoniʻi meʻa fakanatula, fakatatau ki he ngaahi fie maʻu ki he ʻatakai hange ko mafana ʻo e ʻea, ʻea hauhau, tuʻuʻanga, mo e ʻekitiviti ʻo ka. ʻOku totonu ke poupouʻi ʻe hono faʻunga ʻa e angatonu ʻi he ngaahi tuʻunga ʻo e ngaue.
6. ʻI he ngaahi ʻatakai fakafepaki, ko hono fakaʻaongaʻi ʻo e ngaahi meʻangāue ʻoku toʻotoʻo holo mo ala fakaʻaongaʻ, pea pehe ki he socket fola, totonu ke fakasiʻisiʻi.
7. ʻI he taimi ʻoku fili ai ha meʻangaue makehe ki he fakaʻauha, fakakaukau ki hono fola makehe mo hono fakaʻaongaʻi ʻo e ngaahi tuʻunga, fakaʻilongaʻi ʻaki ʻa e "s".
8. Meʻangāue fakaʻuhila ʻoku fakaʻaongaʻi fakataimi, hangē ko e ʻi he R&D pe siviʻi ʻo e meʻafua siʻisiʻi, ʻe lava ke ngaue taʻe ʻi ai ha ngaahi fakamoʻoni pau ʻi he malumalu ʻo e tokangaʻi taukei, ʻoatu ha taha ʻo e ngaahi tuʻunga ko ʻeni:
1. Fakapapauʻi ʻoku ʻikai fokotuʻu ha ʻatakai ʻoku maumau.
2. Ko hono kosi ʻo e malohi ʻi he ngaahi feituʻu ʻoku ne fakafepakiʻi ke taʻofi lelei ʻa e ngaahi maʻuʻanga tokoni ignition.
3. Ko hono fakahoko ʻo e maluʻi mei he vela pe ngaahi fakatuʻutamaki ki he kau ngaue mo e ngaahi ʻatakai.
ʻI he ngaahi meʻa peheé, ko ha fakafuofuaʻi ʻo e fakamatala mei he niʻihi fakafoʻituitui ʻoku nau ʻilo fekauʻaki mo e ngaahi founga ohi, ngaahi tuʻunga moʻuí, mo e ngaahi founga fakafuofuaʻi ʻo e koloa ki he ngaahi feituʻu fakatuʻutamaki ʻoku mahuʻinga.
9. Ke afeʻi ʻa e toʻu tangata fakatuʻutamaki, ʻOku totonu ke fakangatangata ʻe he founga maluʻi ʻa e fehalaaki fakavaʻe ʻau ʻi he lahi mo e loloa. ʻI he ngaahi feituʻu ʻoku fakafepakiʻi, ʻOku fie maʻu ʻa e polokalama TN-S; Kapau ʻoku fakaʻaongaʻi ʻa e polokalama TT, fokotuʻu ha meʻangaue lolotonga; ki he polokalama, equipotential ʻoku mahuʻinga ʻa e fetuʻutaki mo e ʻaofi maluʻi mei vakaiʻi.