Intended for Class A, B, and C fires and contains 3.75 gallons of water extinguishing capacity, covers 10 square feet of area, and works on electrically charged equipment. Fire extinguishers play a critical role in …
The Class B size rating indicates the square footage the extinguisher can cover. 20B means that as long as you sweep the nozzle side to side, there is enough extinguishing agent inside the canister to provide 20 square feet of coverage. There is no size rating for Class C. After all, a Class C electrical fire is nothing more than a Class A or Class B fire with energized …
Fire Extinguisher Classes, Explained – SecurityNerd
Class B fire extinguishers. Co2: A carbon dioxide fire extinguisher works well for class B fires; it expels Co2 to suffocate the fire, neutralizing the fire triangle. However, it would help if you were careful as the effective range is minimal—3+ feet from the fire. Foam: These extinguishers work on both Class A and B fires.
Class B Size Ratings – Range in Square Footage. Class B ratings tell us the area in square feet that the fire extinguisher can cover, ranging from 1 to 160. 20B would indicate that the fire extinguisher can douse a fire that has …
People Also Ask what fire extinguisher class is based on square footage
What do fire extinguisher classes and size ratings mean?
To ensure you buy the right type and size for the application you have in mind, learn more about fire extinguisher classes and size ratings. The letter on a fire extinguisher indicates its classification: Class A puts out ordinary combustible fires (wood, paper, plastic, etc.) Class B puts out flammable liquid fires (oil, gas, petroleum, etc.)
What does Class B mean on a fire extinguisher?
Class B ratings tell us the area in square feet that the fire extinguisher can cover, ranging from 1 to 160. 20B would indicate that the fire extinguisher can douse a fire that has spread up to 20 square feet, while a 100B rating would indicate a potential of putting out a fire of 100 square feet; and so on.
How do you choose a Class C fire extinguisher?
To effectively fight Class C fires, choose your extinguishers based on the Class A and Class B size ratings. There is also no size rating for Class D fires. The effectiveness is detailed on the nameplate based on the specific combustible metal for which the extinguisher is recommended.
How many gallons does a fire extinguisher hold?
Intended for Class A, B, and C fires and contains 3.75 gallons of water extinguishing capacity, covers 10 square feet of area, and works on electrically charged equipment. Fire extinguishers play a critical role in keeping your work or home safe from devastating fires. Knowing which one to buy is crucial to suppressing a fire if one breaks out.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher