Class A fires involve ______?

Class A fires involve ______?

• A. Ordinary combustible materials like cloth, wood, paper, rubber, and many plastics
• B. Electrical equipment
• C. Flammable liquids
• D. Gases

Answer: (A)

Fires that involve ordinary combustibles come from everyday materials that burn and leave ash. These fuels include cloth, wood, paper, rubber, and many plastics. They are best fought with methods that cool the material down, like water, because the heat keeping the fuel burning is what sustains the flame. The other options describe different fire types. Electrical equipment fires involve energized electrical sources and are treated as a separate class that requires nonconductive extinguishing methods. Flammable liquids fires come from liquids such as gasoline and solvents, which fall under a different class focused on liquids. Gases are also handled as a different class because gaseous fuels behave differently from solids. So the description that matches ordinary combustibles is the correct one.

Fires that involve ordinary combustibles come from everyday materials that burn and leave ash. These fuels include cloth, wood, paper, rubber, and many plastics. They are best fought with methods that cool the material down, like water, because the heat keeping the fuel burning is what sustains the flame.

The other options describe different fire types. Electrical equipment fires involve energized electrical sources and are treated as a separate class that requires nonconductive extinguishing methods. Flammable liquids fires come from liquids such as gasoline and solvents, which fall under a different class focused on liquids. Gases are also handled as a different class because gaseous fuels behave differently from solids. So the description that matches ordinary combustibles is the correct one.