Depends on the extinguisher. The numbers on the extinguisher will tell you how much fire a TRAINED person can expect to put out with that extinguisher. The Class “A” water extinguisher is rated in number of 1–1/4 gallon units of water the extinguisher holds. A “2A” water extinguisher will hold 2–1/2 gallons of water.
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 …
How much fire can a fire extinguisher put out? – ECHEMI
If the fire goes out release the trigger and BACK away from the fire. Never turn your back on it. If it flares up again squeeze the trigger again and sweep. If the fire does not go out and you are out of agent, put the extinguisher down and leave the structure. Hopefully someone has already reported the fire to the emergency number.
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.
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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.
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 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.
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