Types of Fires:
There are three types of fires listed on the above diagram; not all extinguishers can be used on each type of fires.
Type A fires are the ordinary combustible materials such as wood, paper, cloth, etc...
Type B fires are flammable liquid fires such as gasoline, paints and solvents, alcohols, acetone, etc..
Type C fires are electrical fires.
There is a fourth type of fire not listed on the above diagram - Type D fires are flammable solids. When labs have flammable solids, a special type of fire extinguisher is required. You must contact the Office of Environmental Health & Safety, Fire & Life Safety to advise that your lab has flammable solid so they can provide you with the appropriate extinguisher.
The type of fire will determine the type of extinguisher that can be used. In many university labs, Fire & Life Safety have supplied the multipurpose dry chemical extinguishers because they cover all three types of fires.
There are three types of fires listed on the above diagram; not all extinguishers can be used on each type of fires.
Type A fires are the ordinary combustible materials such as wood, paper, cloth, etc...
Type B fires are flammable liquid fires such as gasoline, paints and solvents, alcohols, acetone, etc..
Type C fires are electrical fires.
There is a fourth type of fire not listed on the above diagram - Type D fires are flammable solids. When labs have flammable solids, a special type of fire extinguisher is required. You must contact the Office of Environmental Health & Safety, Fire & Life Safety to advise that your lab has flammable solid so they can provide you with the appropriate extinguisher.
The type of fire will determine the type of extinguisher that can be used. In many university labs, Fire & Life Safety have supplied the multipurpose dry chemical extinguishers because they cover all three types of fires.
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