5. Foam Fire Extinguisher: The foam in this extinguisher works best on class A and B fires, but it’s not suitable for gaseous fires. The foam blankets the fire, which prevents vapors from rising and cools the surface. 6. …
A fire extinguisher’s rating consists of 2 parts: a number and a letter. The letter part of the rating denotes what class of blaze this fire extinguisher is suitable for. The number part of the rating simply describes the …
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 …
The most common fire extinguisher is the ABC fire extinguisher. This means that the extinguisher can be used in a Class A, B, or C fires. Now how does this work for ratings? The ratings on ABC fire extinguishers vary, but let’s …
People Also Ask what is the rating of a fire extinguisher
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 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.
How do I choose the right fire extinguisher?
Which fire extinguisher types to useClass A fires – water, water mist, foam, dry powder, wet chemicalClass B – water mist, foam, dry powder, CO2, some wet chemicalClass C – water mist, dry powderClass D – specialist dry powderElectrical – water mist, foam, CO2Class F – water mist, wet chemical.
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Fire Extinguisher UL Rating & Placement as per NFPA 10 Part 1 English Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher