You should never use water to put out a Class B fire, as the water will spread the fuel source and thus, the fire. Class Bįuelled by flammable liquids or gases, such as gasoline, petroleum oil, or propane. Water and chemical suppressants (wet or powder) can extinguish Class A fires. Here are the different classifications of fire: Class Aįires fuelled by ordinary combustibles such as paper, wood, cloth, or plastic. “5-pound fire extinguishers are great for kitchens and laundry rooms, and 2-pound fire extinguishers are great for keeping in your car.” “10-pound fire extinguishers are great for home workshops or garages,” says Roydhouse. “ is a combination-type fire extinguisher, and that’s typically what you find in a home,” says retired professional firefighter and CSIA President Chuck Roydhouse.īC fire extinguishers (without the A) are also available for home use.Īside from the fire extinguisher classes, they also come in varied sizes, denoted by the weight. The most common fire extinguisher type is ABC-meant to fight fires of classes A, B, and C. The classes actually refer to different kinds of fires, rather than to the fire extinguisher itself. Types of fire extinguishersįire extinguisher classes are based on the types of fires they can fight. ![]() Depending on the class of extinguisher, they extinguish the fire with water, chemical powder, or even the propellant gas itself. They spray pressurized fire-retardant materials.Ĭommon handheld extinguishers use either carbon dioxide or nitrogen as the pressurizing gas. A fire extinguisher is a portable device used to put out small fires.įire extinguishers are usually red, and cylinder-shaped with a nozzle or hose at the top.
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