Part 173.309 states that the fire extinguisher must:. Include only extinguishing agents that are nonflammable, nonpoisonous, and noncorrosive. Be charged with a nonflammable, nonpoisonous, dry gas that has a dew-point at or below minus 46.7 °C at 101 kPa and is free of corroding components.
If you already know the UL rating for the fire extinguisher you need, click the specific rating below! If you’re looking to learn more about UL Rated Fire Extinguishers, click the link below to view our helpful guide that breaks down the various classes of fires and what each rating means. UL Rating Guide. 1A:10B:C. 1A:20B:C. 2A:10B:C. 2A:40B:C.
Fire Extinguisher Testing and Certification | UL
Why UL for fire extinguisher testing and certification. More than 90 years ago, we developed the test standards for fire extinguishers that guide the product development process today. As new technologies emerge, you can work with our engineers to address design and performance challenges. By matching product components to existing standards …
Class K Fire extinguishers are have been rated to be used on Kitchen fires involving cooking oils and deep fryers. Class K are not given a numerical rating. • Example: A Fire Extinguisher with a rating of 2A:K would contain the equivalent to 2.5 gallons of water (2 x 1.25) and would also be approved to be used on a Class K (cooking oil) Fire.
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Why choose UL listed fire extinguishers?
Around the world, the consistency and reputation of the UL Mark provide confidence to manufacturers that their fire extinguishers, components and agents meet the highest standards of safety and performance. UL Listed extinguishers can be marketed anywhere, based on their proven ability to extinguish specific classes of fires.
What is a Class D fire extinguisher?
Class D Fire extinguishers are generally not given a numerical rating. They are simply classified as a "Class D" extinguisher. Class K: Commercial Deep Fat Fryers (cooking oil fires).
How are fire extinguishers rated?
All Fire Extinguishers are tested by the Underwriters Laboratory for safety and performance. They are rated based on the type of fire that they will put out, and their classification is determined by the size of fire they will put out.
Which fire extinguishers are UL marked in Brazil?
Fire extinguishers that comply with Brazil’s Portaria 486 and ABNT NBR 15808 are eligible to use the Brazilian-recognized conformity mark — the INMETRO Mark — in conjunction with the UL Mark for Brazil.
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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