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. Therefore, a 2A size rating means the extinguisher can battle as fire as effectively as 2½ gallons of water.
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.
What Size Fire Extinguisher Do I Need? – SelectSafety.net
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.
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.
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What Is The Standard Fire Extinguisher Mounting Height? Any extinguishers over 2kg (inc the 2kg CO2) should have the handles at 1m from the ground. Smaller ones should be 1.5m. In a case where one extinguisher is mounted beside another, the heavier of the two can be mounted so that the handle is 1 meter above the ground, while the other is …
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Carbon dioxide fire extinguishersStored water fire extinguishers (devoid of fire hose reels)3M NOVEC 1230 FIRE PROTECTION FLUID (MRI units only)
How to use a fire extinguisher before you need it?
Using a Fire ExtinguisherPull the pin at the top of the extinguisher. This pin will release the lock and allow you to discharge the extinguishing agent.Aim the extinguisher at the base of the fire. …Squeeze the lever on the fire extinguisher slowly. …Sweep the nozzle from side to side to cover the area of the fire’s source until the fire is completely soused. …
How do you determine the weight of a fire extinguisher?
The living room should have a 2A: 10: B: C or 5-10 pounds fire extinguisher every 40 feet.The garage with inflammable objects should have a 3A: 40B-C or 5-10 pounds fire extinguisher installed.The kitchen should have a 2.5 pounds extinguisher.
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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