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 2.5 lb. to as large as 350 lb. While the largest extinguishers will come with built-in wheels to make transportation manageable, size is always important to consider.
Fire Extinguisher Types. Class A – ordinary fires, including burning wood, cloth, paper, and plastic. Class B – flammable liquid fires, including burning gasoline, oil, propane, and kerosene. Class C – electrical fires, where a short circuit or …
How To Size A Fire Extinguisher – Guardian Fire Protection
The letter simply indicates that the extinguisher is rated to put out electrical fires. Consider the Size of the Room. For a room of average dimension, a 5-lb fire extinguisher may be sufficient. For larger commercial spaces and warehouses where a fire has more room to spread, a larger 10-lb model may be necessary.
A rule of thumb for determining the size of a fire extinguisher is that the larger the area of a possible fire, the larger the size of the fire extinguisher needed. It matters whether the business is operated from a room, a building, an industrial area, an outdoor setting – small areas will require smaller sizes of fire extinguishers and vice versa.
People Also Ask how to tell the size of a fire extinguisher
How is the size of a fire extinguisher measured?
Usually, the size is measured by the weight of the fire extinguisher in pounds. The weight of the fire extinguisher varies from portable 2 pounds to wheel-carried 350 pounds.
What do the numbers on a fire extinguisher mean?
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. C & K: These letters indicate that an extinguisher can be used effectively against these fire classes.
What size fire extinguisher do I need for my Kitchen?
The kitchen should have a 2.5 pounds extinguisher. If that extinguisher doesn’t seem to be enough to douse the flames, then you need to immediately evacuate the premises before you get injured. What Size Fire Extinguisher for My Apartment?
How do you read a fire extinguisher label?
Here’s how to read this label: Class A size ratings range from 1 to 40. This tells you the water equivalency. 1 equals 1¼ gallons of water, so in this example, 2A means the extinguisher can put out a fire just as effectively as 2½ gallons of water. Class B size ratings range from 1 to 640.
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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