The most commonly used extinguishers by their ratings and weight. 2-A:10B:C – 4 lb. 3-A:40B:C – 5 lb. 4-A:60B:C – 10 lb. 10-A:80B:C – 20 …
The size of a fire extinguisher indicates the amount of extinguishing agent it holds and is most often measured in pounds. Sizes can range from as small as …
What Size Fire Extinguisher Do I Need? – SelectSafety.net
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 …
However, if you purchase a 50-pound canister, your employees may find it difficult to operate in an emergency. Here are some common fire extinguisher sizes and their corresponding weights: 2A:10B:C – 4 pounds. 3A:40B:C – 5 pounds. 4A:60B:C – 10 pounds. 10A:80B:C – 20 pounds.
People Also Ask what size is a b10a fire extinguisher
What does 10B mean on a fire extinguisher?
This number estimates the square footage an extinguisher can cover. In the above example, 10B indicates that you can expect to douse a fire that had spread to cover 10 square feet.
What size fire extinguisher do I need for an automotive shop?
The size of the fire extinguisher required for an automotive shop depends upon the source of the fire. Usually, the fire is started by either of the sources: For a space the size of a home garage where non-vehicle sources start the fire, a 10-pound fire extinguisher is ideal, which will be labeled 4A:60B: C.
What is the difference between 1A and 2A fire extinguishers?
Class A Size ratings tell us the water equivalency of the extinguishing agent inside the canister, which usually ranges from 1 to 40 . 1A rating is the equivalent of 1 and 1/4 th gallons of water, while 2A rating means that the extinguishing agent is as efficient as throwing on 2 and ½ gallons of water; and so on.
What does 4A mean on a fire extinguisher?
One A is equivalent to 1.25 gallons of water, so a unit with a 4A rating has an equivalent of 5 gallons of water to battle Class A fires. B: The number in front of the "B" is a relative measure of the area an extinguisher can cover.
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Work Shop Fire Extinguisher – Choosing the CORRECT ONE and Size? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher