“To understand extinguishers, you must understand the different classes of fires:

  • Class A: Ordinary combustibles such as wood, paper, rubber, plastics, etc.
  • Class B: Flammable and combustible liquids such as gasoline or oil.
  • Class C: Energized electrical equipment.
  • Class D: Combustible metals such as magnesium, sodium, potassium and lithium.
  • Class K: Fires in cooking appliances that involve combustible cooking media (vegetable or animal oils and fats).”

For more information fire extinguishers classes and uses, read Fire Extinguisher Basics at FireFighterNation.com.

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