Class A fires typically involve which of the following materials?

Class A fires typically involve common combustibles such as wood, paper, cloth, rubber, and some plastics. These materials are solids that can ignite and sustain a fire, making them a primary concern for fire safety and prevention. The classification system for fires, established by the National Fire Protection Association (NFPA), categorizes fires into different classes based on the materials involved. Class A is specifically designated for ordinary combustibles, which are among the most common types of fires encountered in residential and commercial settings.

Understanding this classification is crucial for the selection of the appropriate firefighting equipment, as Class A fires are best extinguished using water or Class A foam, which cool and suppress the burning material. This knowledge helps ensure that individuals are prepared to effectively respond to different types of fire scenarios.