Each of these types of fire extinguishers comes with a UL Rating on its label. UL stands for Underwriters Laboratories , a not-for-profit organization dedicated to public safety. UL performs product testing for evaluation of safety risk and performance values on a vast variety of products and offers third-party certification when certain standards are met.
The UL Mark on a fire extinguisher, as well as on fire extinguisher components and agents, is widely recognized to indicate that they meet the standards for safety and performance. Testing to standards for fire extinguishers UL tests to the current editions of the following standards: ANSI/UL 8 CAN/ULC-S554 Water-Based Agent Fire Extinguishers
UL Rating Guide for Fire Extinguishers – How to choose a …
UL Rating guide for Choosing a Fire Extinguisher. 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.
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 UL rating is broken …
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What does UL rating on a fire extinguisher mean?
Also located on the fire extinguisher label is the UL rating. 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. For example, an extinguisher that is rated 4A:20B:C indicates the following: 1. The A rating is a …
What is exactly do ul ratings mean?
UL Ratings or Underwriters Laboratories Ratings, actually play a major role in how consumers should choose their light sources. The ratings help distinguish if your lamp can be used in dry, damp or wet locations. This is pretty vital information, as you wouldn’t want to make the mistake of placing a dry-rated lamp in a wet location.
What is UL rating system?
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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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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