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You have a way out and can fight the fire with your back to an exit
You have the proper extinguisher and know how to use it
You use careful judgment and can get out fast if the fire starts to spread • To operate a fire extinguisher, recall the word PASS:
PULL the pin by grasping the extinguisher neck in one hand and removing the pin with the
AIM the nozzle, hose, or horn at the base of the fire
SQUEEZE the handle to release the extinguishing agent
SWEEP from side to side at the base of the fire until it is out Types of fire extinguishers: Fire extinguishers vary in type based upon the extinguishing agent they
contain. Every extinguisher must be clearly labeled to show the classification of the fires for which it is
effective. Water fire extinguishers must be labeled to indicate that they cannot be used on electrical fires.
Pictograms show in blue the type of fire the extinguisher should be used to fight. Fires on which the
extinguisher should not be used are shown in black with a red slash through the pictogram.
Extinguishers may carry labels, pictograms, or both.
• Class A: Class A fire extinguishers are used to extinguish fires in ordinary combustibles such as
wood, paper, cloth, rubber, and plastics. Extinguishers effective against this type of fire contain
water or a special chemical agent. These extinguishers should never be used on electrical,
flammable liquid or combustible metal fires. = FIRE AND LIFE SAFETY PROGRAM • Class B: Class B fire extinguishers are effective against flammable liquids and gas fires such as
solvents, oil, gasoline, and grease. Dry chemical agents, wet chemical agents, carbon dioxide,
and other agents are typically used. Water should NOT be used as an extinguishing agent for
Class B fires as it will only spread a flammable liquid fire. • Class C: Class C fire extinguishers are used to extinguish fires involving energized electrical
equipment. Non-conducting agents such as dry chemical, carbon dioxide, or other compounds
are used. Water should NEVER be used to extinguish an electrical fire. • C...
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This note was uploaded on 04/06/2014 for the course MOS 5101 taught by Professor Dr.baumgardner during the Fall '13 term at Columbia Southern University, Orange Beach.
- Fall '13