Thus, a “10B” extinguisher should be able to put out a 10 square foot liquid fire. That would be a fire 2′ wide by 5′ long, or a circle about 3′ in diameter. The fire volume a Class “C” fire an extinguisher would put out would be the about the same as the Class “A” rating.
Portable fire extinguishers are rated for the size of fire they can put out. For Class A fire extinguishers, this number ranges from 1 to 40, and for Class B, the rating is from 1 to 640. You can find this rating on the label. 2A:10B:C is the label you’ll find …
Quick Answer: How big of a fire can a fire extinguisher put out?
A fire extinguisher that is rated 2A:10 BC means it has a fire fighting capacity equivalent to: 2.5 Gallons of Water and 10 Square Feet for a BC Type Fire. When should you not use a fire extinguisher? When do you not use a fire extinguisher? The fire is too big or would require more than one fire extinguisher.
For each B, the extinguisher can stop one square foot of Class B fires. A 10B extinguisher can stop 10 square feet of Class B fire, a 20B extinguisher can stop 20 square feet, and so on. How big of a fire can a fire extinguisher put out? All extinguishers are rated as to the size of fire they are designed to handle.
People Also Ask how big a fire can a fire extinguisher put out
What size fire extinguisher do I Need?
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.
How far should you walk between fire extinguishers?
The minimum walking distance between fire extinguishers depends on the fire threat level in your business. In addition to choosing the right type and installing your fire extinguishers correctly, you also need to consider fire extinguisher capacity. Here’s a concise guide to help you size a fire extinguisher correctly.
What is the rating of a Class A fire extinguisher?
For Class A fire extinguishers, this number ranges from 1 to 40, and for Class B, the rating is from 1 to 640.
How to read the label on a portable fire extinguisher?
Learn How to Read the Label. Portable fire extinguishers are rated for the size of fire they can put out. For Class A fire extinguishers, this number ranges from 1 to 40, and for Class B, the rating is from 1 to 640.
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Fire Safety:How to Use a Fire Extinguisher Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher