Palm Beach County Fire Rescue Practice Exam

Class A fires are characterized by the involvement of ordinary combustible materials, which include items like wood, paper, cloth, and certain types of plastics. These materials typically ignite and sustain a fire due to their solid nature and ability to produce ash when they burn.

When it comes to the provided options, wood products fit the definition of Class A materials. They are common in everyday environments and can easily catch fire when exposed to ignition sources. This makes them a primary concern in many fire safety situations, as they can contribute significantly to fire load and progression.

In contrast, electrical components are associated with Class C fires, flammable liquids are categorized as Class B fires, and metals are classified as Class D fires. Each of these classes requires different approaches and extinguishing agents, highlighting the importance of recognizing the correct classification in fire safety and response training. Understanding these classifications enables effective fire prevention and control strategies in various environments.