What Are The Different Classes Of Fire?
Classes Of Fire The fuel burning dictates the type of extinguisher you use to fight the fire. To help you understand this concept you need to know how fires are classified and which fire extinguishers are suitable for each class. Class A Fires Class A fires start when materials such as paper, rubbish, wood, or other carbon-based materials ignite. Dry powder, foam and water extinguishers are suitable for this class of fire. Your best plan of attack would is to locate the nearest fire hose. This will give you a constant stream of water. The temperature at the base of the fire will cool to a point below that needed for combustion to take place. Class B Fires Class B fires involve flammable liquids such as paints, oil, and petrol. With these materials, its the vapours of fumes that burn rather than the liquid. Because the vapours a lighter than air, they can drift away from the seat of the fire, and then ignite, causing what’s called a flash-off. This class of fire...