What is classified as a Type A fire?

Type A fires are those that involve ordinary combustible materials such as paper, wood, cloth, and some plastics. These materials burn readily and can produce ash when they are consumed by flames. The classification is essential in determining the appropriate fire extinguishing methods and agents to use. For Type A fires, water is typically effective because it can cool the burning materials and help extinguish the flames by removing heat from the fire.

The other classifications involve different materials that require distinct firefighting approaches. For example, combustible metals represent a more hazardous fire type that cannot be extinguished with water, as it could react violently. Fuels and solvents fall under flammable liquids, which have different combustion characteristics and often need foam or dry chemical agents for effective extinguishment. Electrical equipment fires involve energized components that require non-conductive extinguishing agents, further distinguishing them from Type A fires. Understanding these classifications is crucial for effective fire response and safety in various situations.