Class A and B extinguishers are rated for the size of fire they can put out. For Class A fires, this rating is expressed as a number from 1-40. For Class B fires, it is expressed as a number from 1-640. The higher the numbers, the larger the fire that can be extinguished.
A light- or low-hazard fire needs a 4-pound fire extinguisher rated 2A:10B: C that covers 3000 square feet or a 10-pound commercial fire extinguisher if the office’s size is larger. To Conclude It’s essential to consider the weight and size of the fire extinguisher whenever you’re buying one for your home, office, apartment, restaurant, warehouse, and more.
Guide to Fire Extinguisher Sizes, Types, & Ratings
A large, high-capacity fire extinguisher might work well for your application, but relying on one that is too heavy or bulky for your workers to use creates a dangerous situation. Common fire extinguisher sizes and their approximate weight. 2-A:10B:C – 4 lb. 3-A:40B:C – 5 lb. 4-A:60B:C – 10 lb. 10-A:80B:C – 20 lb.
This is a standard 5-lb extinguisher appropriate for use in most ordinary commercial settings, but canisters can be much larger than this. Here’s what the label means: Class A size rating: The number beside the letter A ranges from 1 to 40. This is the water equivalency for this extinguisher, where 1 equals 1¼ gallons.
People Also Ask what size fire extinguisher for commercial building
What size fire extinguisher do I need for my business?
What size fire extinguisher does my business need?Fire Risks: Be aware of the unique hazards within your operation. …Room Size and Materials: The size of a room and how it’s organized are important as well. …Employee Ability: A fire extinguisher is only as effective as the individual controlling it, so be sure that your employees can handle the one that you choose. …
How big should my fire extinguisher be?
You can recognize the different classes of extinguisher by the signage on the device:Class A features an A in a triangleClass B is in a squareClass C is in a circleClass D is in a five-pointed star shape. …OSHA & NFPA – What Are The Rules? …How to Mount Fire ExtinguishersBe ADA CompliantExtinguisher Basics from OSHAFire Extinguisher Use
What are the different sizes of fire extinguishers?
Class A flames are caused by wood, cloth, or paper.Class B flames are caused by liquids and gases.Class C flames are caused by energized electrical sources.
What size is a 2a10bc fire extinguisher?
These numbers are a UL/ULC rating that indicates the amount of firefighting capacity with the square feet covered for the type of fire. Therefore a 2A: 10 BC extinguisher means 2.5 gallons of water (firefighting capacity) for 10 square feet covered for a BC Type fire.
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Work Shop Fire Extinguisher – Choosing the CORRECT ONE and Size? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher