In the hands of a trained person, portable fire extinguishers are great tools to protect people and property from fire during early stages. When using an extinguisher or selecting an extinguisher to install, it’s important to know the characteristics of different fire extinguishers. This blog will address the different types of fire extinguishers by breaking …
Fire extinguishers are divided into four categories: A, B, C, and D, each of which can put out a particular sort of fire. Extinguishers classified as Class A will put out fires in common combustibles including wood and paper. Extinguishers classified as Class B are intended for use with flammable liquids such as grease, gasoline, and oil.
Ultimate Guide to Fire Extinguisher Classes: Servicing and …
Dry Chemical. Dry chemical fire extinguishers use multipurpose agents that extinguish Class A, B, and C fires. This suitability for the most common fire types makes these and other “Class ABC” fire extinguishers the go-to choice in homes or offices. A dry chemical ABC fire extinguisher.
Most businesses will rely on an external service provider to maintain their fire extinguishers. The law does not clearly define a competent person as a fire extinguisher technician. The use of a fire extinguisher can save lives by deflating a fire that is out of control and can destroy a business.
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What are the different types of chemical fire extinguishers?
Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.
How to choose the right fire extinguisher?
Select the extinguisher type and size to suit the needs and hazards of the room or building. Remember, class ABC fire extinguishers can combat a broad range of fires in combustibles, flammable liquids, and electrical fires.
How is the extinguishing agent applied to the fire extinguisher?
The extinguishing agent can be applied from a fire extinguisher or by scoop and shovel. Using a scoop or shovel is often referred to as a hand propelled fire extinguisher.
Can a Class A fire extinguisher be used on electronic devices?
Larger models of these fire extinguishers are listed for Class A as well as Class B and Class C fires, which makes them quite suitable for use on fires in electronic equipment. When discharged, these agents are in the combined form of a gas/mist or a liquid, which rapidly evaporates after discharge with about twice the range of carbon dioxide.
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Yearly Fire Extinguisher Inspection Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher