Water Mist Fire Extinguisher: This extinguisher works on most fire classes by releasing tiny water molecules to suffocate the fire and cool temperatures. The water in this fire is safe to use on electrical fires. 5. Foam …
Fire Extinguisher Size Ratings. The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. …. The Class B size rating indicates the square footage the extinguisher can cover.
Need Help Understanding Fire Extinguisher Ratings? – Angi
Year to date made – Fire Extinguisher. The numbers you might see accompanying the letter class of a fire extinguisher refer to the extinguishers size rating for class A and B fires. Other classes don’t have such …
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What do the letters mean on a fire extinguisher?
Fire Extinguisher Number Ratings In addition to letter classification, each extinguisher has a number rating. For example, if you look at the UL inspection label, you might see the Classification: 4-A; 80B; C. The letters (A, B, and C) indicate which fires this extinguisher can handle.
What is a fire extinguisher and how does it work?
Fire extinguishers act differently based on the ingredients and canister. Some are more suited for harsher conditions (like storage in a freezing climate), while others are specifically designed to create a barrier between oxygen and fuel elements, or protect against potential contamination from chemicals.
Are You fighting a fire with the wrong type of extinguisher?
Trying to fight a fire with the wrong type of extinguisher can be futile — or worse — dangerous. To distinguish between types of extinguishers, a handy alphanumeric system has been created.
What does class a mean on a fire extinguisher?
Here’s how it works: The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water.
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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