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. To achieve a Class “A” rating, the extinguisher must be capable of putting out the wood crib, wood panel and excelsior …
What Is an ABC Fire Extinguisher? – SelectSafety.net
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. …
People Also Ask what is an a b c fire extinguisher
What is a Class C fire extinguisher?
Fire extinguishers with a Class C rating are suitable for fires in “live” electrical equipment. Both monoammonium phosphate and sodium bicarbonate are commonly used to fight this type of fire because of their nonconductive properties. Fire extinguishers are classified by fire type.
What is in an ABC fire extinguisher?
An ABC fire extinguisher usually uses a combination of mono ammonium phosphate and ammonium sulfate. It is often colloquially simplified as “ABC Dry Chemical,” “ABE Powder,” or “multi-purpose dry chemical.” It emanates from the extinguisher as a dry powder. A common misconception is that an ABC fire extinguisher contains a water-based substance.
How does a clean agent Class B fire extinguisher work?
Both clean agents and CO2 work to remove the oxygen from a fire, suffocating it and eventually extinguishing it. Clean agent Class B fire extinguishers are also a preferred option because they leave no residue and don’t require any cleanup.
What is the chemical used in fire extinguishers?
Used on cooking fat, grease, and oil fires, these fire extinguishers usually employ a wet chemical agent composed of potassium to simultaneously cool and suppress the fire. Are there any other types of fire extinguishers?
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CLASSES OF FIRE AND EXTINGUISHER Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher