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SESK: Stuff Everyone Should Know · sesk.info/kitchen-class-k-extinguisher

Which fire extinguisher class is made for cooking oil fires in cooking appliances?

Class K, for kitchen cooking media.

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  1. Class A
  2. Class K ✔
  3. Class C

Why: Class K extinguishers are designed for fires involving cooking oils and fats. Class A is for ordinary combustibles, and Class C is for energized electrical fires.

Huh, didn't know that: Class K extinguishers are often found in commercial kitchens such as restaurants and cafeterias.

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References

Answer: Class K. Class K extinguishers are designed for fires involving cooking oils and fats. Class A is for ordinary combustibles, and Class C is for energized electrical fires.

  1. USFA Fire Extinguishers www.usfa.fema.gov/prevention/home-fires/prepare-for-fire/fire-extinguishers
    For use with vegetable oils, animal oils and fats in cooking appliances.
    Checked 2026-10-11.

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