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0 0 <br />FIRE <br />There are different methods of putting fires out for different types of fires. For example, <br />water would not be used to put out an oil fire because oil and water do not mix and the <br />water would only spread the oil and fire. The following is a list of the different types or <br />classes of fires and the corresponding fire extinguishers. <br />TYPES OF FIRES <br />CLASS A: <br />Ordinary paper or wood fires <br />CLASS B: <br />flammable liquids <br />(oils, gasoline, solvents) <br />CLASS C: <br />electrical equipment <br />CLASS D: <br />combustible metals <br />(Li, Mg, Ti, Zn, Na, K) <br />TYPES OF EXTINGUISHERS <br />Water or CLASS A extinguisher <br />CLASS B extinguisher <br />(CO2 or dry chemical) <br />CLASS C extinguisher <br />CLASS D extinguisher <br />Halon fire extinguishers have a class rating of ABC. They put out fires by interrupting <br />the chemical reaction which is necessary for a fire to continue burning. Halon fire <br />extinguishers are preferable when computers and other sensitive equipment are in the <br />area because these extinguishers do not leave a powdery chemical residue. Fire sites <br />which have been extinguished using Halon have a potential for re -igniting when the <br />Halon dissipates. To prevent re -ignition, ensure all power supplies are turned off. <br />500 South Beckman Road Contingency Plan <br />ArmorStruxx, LLC Lodi, CA 95240 11.26 <br />March 2013 <br />