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What do the rating symbols on a fire extinguisher indicate?

  1. Expiration date of the extinguisher

  2. Type of fire it will extinguish and relative size of extinguisher

  3. Number of times the extinguisher can be used

  4. Recommended frequency of inspections

The correct answer is: Type of fire it will extinguish and relative size of extinguisher

The rating symbols on a fire extinguisher indicate the type of fire it is designed to extinguish and provide information about its relative size. Each symbol corresponds to a different class of fire, such as Class A for ordinary combustibles, Class B for flammable liquids, and Class C for electrical fires. The numerical rating associated with the symbols indicates the extinguisher's capacity and effectiveness in controlling fires within those classes. This information is crucial for users to quickly assess which extinguisher they should use in various fire situations, ensuring safety and effective fire response. Understanding these ratings empowers boaters and other individuals to take appropriate action in the event of a fire.