Fire Extinguisher Ratings Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish.
In addition to the above fire extinguisher types, there is also a combination ABC fire extinguisher, available for multipurpose use, which covers types A, B and C fires. This type of extinguisher works well in home applications where different types of fires can break out.
Fire Extinguishers Class A, B, C, D & K | Critical Tool
Fire Extinguishers are classified by the type of fires they are designed to extinguish. The different types of Fire Extinguishers are: Type A: Pressurized Water for Class A Fires Only; Type ABC: Dry chemical extinguisher effective on all Class A, B and C Fires; Type BC: Carbon dioxide to be used on chemical or electrical fires
How Is an ABC Fire Extinguisher Designed? The ABC fire extinguishers are multipurpose and use a dry chemical called monoammonium phosphate to put out A, B, and C fires which are described as follows: Class A flames are caused by wood, cloth, or paper. Class B flames are caused by liquids and gases.
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What is the chemical used in ABC fire extinguishers?
The ABC fire extinguishers are multipurpose and use a dry chemical called monoammonium phosphate to put out A, B, and C fires which are described as follows: Class A flames are caused by wood, cloth, or paper.
What is a Class “A” fire extinguisher?
To achieve a Class “A” rating, the extinguisher must be capable of putting out the wood crib, wood panel and excelsior (shredded paper) tests. Ratings are based on the size of the material that can be repeatedly extinguished.
How does an ABC fire extinguisher work?
ABC fire extinguishers use a dry chemical powder called monoammonium phosphate to put out the ABC classes of fire. This dry chemical puts out the fire by coating the flames with a thin layer of dust and blocking the flammable oxygen supply to the source. ABC fire extinguisher sizes range from 2 to 10 pounds.
What size ABCABC fire extinguisher do I need for my home?
ABC fire extinguishers come in different sizes: from 2 to 10 pounds and designs that can be mounted in various locations, including above stoves. All of these options have their own pros and cons, including: Keep in Mind! A 10-pound fire extinguisher is perfect for home, garage, or workshops where the fire spreads without being noticed.
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Foundation Findings #46 ABC versus BC Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher