What symbol on a fire extinguisher indicates its class of fire?

• A. A number
• B. A color code
• C. A letter
• D. Size of the extinguisher

Answer: (C)

The symbol that indicates the class of fire on a fire extinguisher is represented by a letter. Each letter corresponds to a specific class of fire, identifying the types of materials that the extinguisher is designed to combat. For example, "A" indicates flammable solids, "B" indicates flammable liquids, and "C" indicates electrical fires. This system allows users to quickly and easily identify the appropriate extinguisher for the type of fire they might encounter.

Understanding the classification of fires is crucial for effective firefighting. When individuals see the letters on a fire extinguisher, they can make informed decisions on which extinguisher to use in an emergency, ensuring safety and effectiveness.