Ko e fe ʻa e tuʻunga ʻo e fakaʻauha-fakamoʻoni ʻoku maʻolunga ange, IA pe D

Ko e flameproof “d” fenapasi mo e kulupu EPL Gb, ʻa ia ʻoku feʻunga pe mo e ngaahi ʻatakai kasa ʻi he souni 1 mo e 2;

Faʻahinga fakamoʻoni ʻo e fakaʻauha	Fakaʻilonga ʻo e fakamoʻoni kasa
Faʻahinga maluʻi ʻoku ʻikai ke malu	Maʻuʻanga Fakamatala,ib,ic
Faʻahinga ʻo e ulo	d,DB

Ko e tuʻunga malu ʻo e malu “Maʻuʻanga Fakamatala” ʻoku fekauʻaki ia mo e tuʻunga māʻolunga tahá, EPL Ga, ʻufiʻufi e ngaahi ʻatakai kasa ʻi he souni 0, 1, mo e 2;

Ko ia, ʻOku ʻomi ʻe he faʻahinga maluʻi ia ha tuʻunga maʻolunga ange ʻo e maluʻi ʻi hono fakafehoanaki ki he faʻahinga flameproof.