Class A - Extinguish ordinary combustibles by cooling the material below its ignition temperature and soaking the fibers to prevent re-ignition.  Use pressurized water, foam or multipurpose (ABC-rated) dry chemical extinguishers.  DO NOT USE carbon dioxide or ordinary (BC-rated) dry chemical extinguishers on Class A fires.

Class B - Extinguish flammable liquids, greases or gases by removing the oxygen, preventing the vapors from reaching the ignition source or inhibiting the chemical chain reasction.  Foam, carbon dioxide, ordinary (BC-rated) dry chemical, multipurpose dry chemical, and halon extinguishers may be used to fight Class B fires.

Class C - Extinguish energized electrical equipment by using an extinguishing agent that is not capable of conducting electrical currents.  Carbon dioxide, ordinary (BC-rated) dry chemical, multipurpose dry chemical and halon fire extinguishers may be used to fight Class C fires.           - DO NOT USE WATER extingusihers on energized electrical equipment -

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Fire Department, 9414 Portland Road, Castalia, OH, USA

Last Updated 12/21/07