What does BC mean on a fire extinguisher?
Dry Chemical (ABC, BC and DC) Extinguishers
“ABC” indicating that they are designed to extinguish class A, B, and C fires. “BC” indicating that they are designed to extinguish class B and C fires.
What does a rating of 40 on a Class B extinguisher mean?
To qualify as a light hazard for the purpose of extinguisher election and placement, the majority of materials in the area must. be noncombustible. What does a rating of 40 on a Class B extinguisher mean. Sufficient extinguishing power for 40 square feet of burning fuel.
Is a 40 year old fire extinguisher still good?
Although they don’t have a true “expiration date,” traditional fire extinguishers generally have a 10-12 year life expectancy. Disposable fire extinguishers should be replaced every 12 years. Rechargeable fire extinguishers should be taken to an experienced fire equipment company and recharged every 10 years.
What do the numbers mean on fire extinguishers?
The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish. … On Type A extinguishers, the number relates to how many gallons of water the extinguisher is equal to for a Type A fire. Type B fires are of flammable liquids such as gasoline or oil.
What does 3 A 40 B C mean?
3A:40B:C. What do the letters mean in the alpha numeric classification? The letter represents the type of fire that can be put out with a particular extinguisher. Fires are given the following classifications: (A) ordinary combustibles.
What is a BC fire extinguisher not good for?
What kinds of fires is a B:C extinguisher not good for? Wood, paper and cloth. The B:C type fire extinguisher is designed to work on electrical fires and burning liquids.
What does 2A 10BC mean?
A fire extinguisher that is rated 2A:10 BC means it has a fire fighting capacity equivalent to: 2.5 Gallons of Water and 10 Square Feet for a BC Type Fire.
How can you tell if a fire extinguisher is still good?
Most fire extinguishers should have a pressure gauge with a red section and a green section. If the needle is in the green, you’re good. If your extinguishers don’t have a pressure gauge and you want to test them, press in the pin. If it pops back up, the extinguisher is pressurized.
How do you know if a fire extinguisher is out of date?
You can find the expiration date of your extinguisher by looking at the date stamped on the cylinder body. If there is none, check out the label and inspect the body well as sometimes the date stamp might be hidden under the plastic ring surrounding the neck of the extinguisher.
What happens if you use an expired fire extinguisher?
However, your fire extinguisher will only work well if it has not reached its date of expiration. Like every other thing you know, a fire extinguisher can expire. Unfortunately, not everyone knows this. When left unused for far too long, the extinguisher tends to lose its ability to extinguish fires.