How to read fire extinguisher ratings

Types of Fire Extinguishers. 1. Carbon Dioxide Extinguisher: Suited for electrical fires and flammable liquids. This extinguisher uses CO2 to suffocate the fire. 2. ABC Powder Fire Extinguisher: This extinguisher is multipurpose and uses a fine chemical powder to blanket the fire and remove oxygen. …

Fire extinguishers are classified by fire type. The A, B and C rating system defines the kinds of burning materials each fire extinguisher is designed to fight. The numbers in front of the A, B, or C indicate the rating for size of the fire the unit can extinguish. Using the wrong type of fire extinguisher can do more harm than good. Make sure you understand which fire

Understanding Fire Extinguisher Ratings – HSEWatch

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 UL rating is broken down into Class A and Class B:C ratings. These numerical ratings allow you to compare the relative extinguishing effectiveness of various fire extinguishers. Read Also: Fire …

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In practical terms, that means that if Fire Extinguisher 1 has a 4-A:80-B:C rating and Fire Extinguisher 2 has a 1-A:10-B:C rating, Fire Extinguisher 1 is… 4x more potent against Class A fires; 8x more potent against Class B fires; Both extinguishers can combat class C fires.

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What is the meaning of the ratings for fire extinguishers?

Class A extinguishes fires on typical combustibles like wood, plastic, or paperClass B extinguishes flammable liquids like gas and oilClass C extinguishes electrical firesClass D extinguishes fire involving metalClass K extinguishes typical kitchen fires involving oil and grease

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.

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Which fire extinguisher is best?

Fire class Fire extinguishers are sorted by “fire class,” which is designated by letters A, B, and C. Typically, the best option for household use is an ABC extinguisher that can combat all types of fire, but if you are looking for a product to put in a specific location, such as the kitchen or garage, you might want one that is …

What is the difference between 5BC and 10BC fire extinguisher?

What is the difference between 5BC and 10BC fire extinguisher? In our tests, the 10BC units discharged only a fraction of a second longer than the 5BC, hardly “twice” anything. The 10BC, on average, discharged only 25% more fire suppressant than the 5BC. What is the best size fire extinguisher for home use?

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Fire Extinguisher Ratings Video Answer


Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher

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