In practical terms, that means that if Fire Extinguisher 1 has a 4-A:80-B:C rating and Fire Extinguisher 2 has a 1-A:10-B:C rating, Fire Extinguisher 1 is… 4x more potent against Class A fires; 8x more potent against Class B fires; Both extinguishers can combat class C fires.
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. Clean Agent Fire Extinguisher: This fire extinguisher is best suited for Class B and C fires.
What Do the Numbers Mean On a Fire Extinguisher?
The numbers indicate the size rating of each extinguishing agent. Here’s how it works: The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water.
Class B. There are class B fire extinguishers as well. Class B fire extinguishers are a step up from their class A counterparts. While class A fire extinguishers are designed exclusively for paper- and wood-based fires, class B fire extinguishers are designed for flammable liquids. They can put out fires involving flammable liquids.
People Also Ask is a 4a fire extinguisher better than 2a
What size is a 2A fire extinguisher?
Fire Extinguisher Size Ratings The Class A size rating represents the water equivalency. Each number represents 1 ¼ gallons of water. For instance, 2A means the extinguisher is just as effective as 2 ½ gallons of water. 4A is equivalent to 5 gallons of water.
What is a 2-A fire extinguisher?
What Is a 2-A Fire Extinguisher?2-A Fire Extinguishers. The number code on extinguishers represents how much water the extinguishing agent is equivalent to.Category A Fires. Category A, or combustible materials, fires consist of fires involving paper, wood, fabrics, rubber or certain types of plastics.Risks of Category A Fire Extinguishers. …Fire Extinguisher Categories. …
What is the difference between 5BC and 10BC fire extinguisher?
What is the difference between 5BC and 10BC fire extinguisher? In our tests, the 10BC units discharged only a fraction of a second longer than the 5BC, hardly “twice” anything. The 10BC, on average, discharged only 25% more fire suppressant than the 5BC. What is the best size fire extinguisher for home use?
What size fire extinguisher do I Need?
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.
People Also Searches is a 4a fire extinguisher better than 2a
TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher