Class A fires are caused by what type of materials?

Class A fires are specifically categorized as fires that involve ordinary combustible materials. These materials typically include wood, paper, cloth, rubber, and various types of plastics. The classification is primarily based on the nature of the burning materials, which can ignite easily and fuel the fire in a manner typical of everyday materials found in homes and offices.

Understanding that Class A fires involve ordinary combustibles helps in distinguishing them from other fire classes. For example, flammable liquids and gases, which are represented in one of the other options, fall under Class B fires, while fires involving electrical equipment are categorized as Class C. Similarly, ignitable metals are classified as Class D fires. Knowing the classification of different types of materials not only aids in the effective response to a fire but also emphasizes the types of extinguishing agents that should be used in each scenario.