Course Outline

Extinguishers are classified by a letter and number symbol. The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish.

  • Type A fires are of combustible solids like wood.
  • Type B fires are of flammable liquids like gasoline or oil.
  • Type C fires are electrical fires.
  • Unit 7 of 7
  • Topic 4 of 16
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