Generally, the labels of dry powder fire extinguishers are marked as Class A, Class B and Class C fires, so they are also called ABC dry powder fire extinguishers. Which types of fires correspond to these types of fires? Class A fires refer to solid fires, such as fires caused by solid materials such as buildings, wood, cloth, and plastics; Class B fires refer to fires caused by flammable liquids, such as fires caused by liquid materials such as oil; Class C fires refer to combustible gas fires, generally referring to fires caused by various gases. In addition, dry powder fire extinguishers can also extinguish general electrical fires, such as fires caused by aging wires and other electrical-related fires. Other fires, such as metal fires, cannot be remedied by ABC dry powder fire extinguishers. It is necessary to use a D type fire extinguisher.
After understanding the above content, before the fire breaks out, you must first determine which type of fire the fire belongs to, and then take the corresponding dry powder fire extinguisher to remedy it. After arriving at the fire scene, act quickly and follow the use of dry powder fire extinguishers to achieve the purpose of extinguishing the fire.