Class C (Class E) Fires

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Class C (Class E) Fires

Class C fires involve electricity and electrically energized equipment. Note that these fires are designated as Class E in some classification systems.

Types of fire extinguishers used to extinguish a class C fire:
  • Carbon dioxide (CO2) extinguisher
  • General purpose, pressurized dry chemical ABC extinguisher

Important comments:

  • NEVER use water on a class B or C fire since this will only increase the hazard.
  • A fire involving electrical equipment reverts to a Class A or Class B fire IF the electricity is turned off at the source.
  • CO2 may be preferred because it does not leave a corrosive residue.
  • CO2 extinguishers can become extremely cold and cause cold burns if not handled properly.