Before revision: Class letters are often assigned to the different types of fire, but these differ between territories; there are separate standards for the United States , Europe (DIN EN2 Classification of fires (European Standard) ISO3941 Classification of fires (International Standard), and Australia.
After revision: (NFPA 10 Chapter 5.2.1-5.2.5)Class letters are often assigned to the different types of fire, but these differ between territories; there are separate standards for the United States , Europe (DIN EN2 Classification of fires (European Standard) ISO3941 Classification of fires (International Standard), and Australia.