Fire extinguishers are classified by fire type. The A, B, C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The number in front of the A, B, or C indicates the rating size of fire the unit can extinguish. Located on the fire extinguisher label is the UL rating (Fire Extinguisher Ratings).
The numerical rating for a Class A Fire extinguisher refers to the amount of chemicals/agent in the extinguisher. The number represents the chemical/agent’s equivalent to gallons of water the extinguisher holds. Multiply the number in front of A by 1.25 to …
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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) …
All fire extinguishers are measured against the performance of water as an agent.The higher the rating, the more water it would take to put out the fire. The rating on the extinguisher tells all the relative quantity of water which can extinguish the size fire that this particular extinguisher is …
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What is the best brand of fire extinguisher?
Like with smoke detectors, it’s important to buy a kitchen fire extinguisher that has an ETL or UL rating. Luckily most of the products from major home safety brands like Amerex, Kidde, and First Alert are all ETL- or UL-certified. You’ll also want to find one with an easy-to-read pressure gauge.
What do the B C ratings mean on fire extinguishers?
Thus, a 4A will equal about five gallons of water. The numbers on a B or C rating will indicate the square footage that extinguisher can handle. The letter indicates the type of fire that the fire extinguisher can be used on. For example, a rating of 2B means that the fire extinguisher can be used to combat two square feet of a Class B fire.
What is the best fire extinguisher for a home?
What Is The Right Size Fire Extinguisher For My Home?Common Extinguisher Sizes and Weights. Even though there’s a large variety of fire extinguisher sizes and weights, only a few of them are standard for residential use.Tips for Choosing a Fire Extinguisher. …When to Use a Home Fire Extinguisher. …
How to make money selling fire extinguishers?
What is the most profitable scrap metal?Copper. For many scrappers, copper is king because of the consistently high value it can generate.Brass.While the price per pound for aluminum may not be impressive on its own, the metal can be lucrative in scrapping because of its widespread availability.
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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