What type of fire involves flammable liquid or gas?

The classification of fires is based on the type of materials that are involved in the combustion process. A fire that involves flammable liquids or gases is categorized as a Class B fire. This classification specifically covers combustible liquids such as gasoline, oil, and paints, as well as flammable gases like propane and butane.

Fire extinguishers designed for Class B fires are specifically formulated to work effectively against these materials, typically utilizing foam, dry chemical, or carbon dioxide agents. Understanding this classification is crucial for effectively managing fire incidents involving these hazardous materials, as using the wrong type of extinguisher can exacerbate the situation and pose additional risks.

Class A fires involve ordinary combustibles like wood and paper, Class C fires pertain to energized electrical equipment, and Class K fires are associated with cooking oils and fats.