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en.wikipedia.org/wiki/Fire_extinguisher

A fire extinguisher is an active fire protection device used to extinguish or control small fires, ... In the United States, fire extinguishers in all buildings other than houses are ..... per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class - however there is an ...

www.themedsupplyguide.com/fire-extinguishers/letters-numbers

Fire extinguishers use a classification system that uses letters and numbers. The letter represents the class of fire the extinguisher can be used on. The.

www.answers.com/Q/What_does_the_number_on_a_fire_extinguisher_indicate_since_all_extinguishers_have_a_number_and_letter

The number on a fire extinguisher indicates the relative size ofthat extinguisher compared to others.

www.boatingbasicsonline.com/content/general/4_2_c.htm

Although not all motorboats are required to carry a fire extinguisher, it is highly recommended that you do. ... Fire Extinguishers are classified by letters and numbers according to the class and size fire they can put out. The letter, (A, B, C, or D) indicates the class of fire. ... Do not use water on gasoline, oil, or electrical fires.

www.guardianfireprotection.com/blog/faq/letters-numbers-fire-extinguisher-classification-mean

The letters stand for the class of fire the extinguisher can be used against: A – ordinary ... The numbers indicate how much of the fire can be put out by the fire extinguisher. Every number before the A means it is as effective as 1 ¼ gallons of water. ... All information is subject to change at any time without notice. Contact us ...

ohsonline.com/Articles/2004/08/The-ABCs-Ds-and-Ks-of-Fire-Extinguishers.aspx

Aug 1, 2004 ... FIRE extinguishers are a common sight wherever you travel, from ... an extinguishing medium that does not react with the burning metal. ... For example, an extinguisher that is rated 4A:20B:C indicates the following: ... When walking by a fire extinguisher, you'll know that all of the letters and numbers have ...

www.selectsafetysales.com/t-fire-extinguishers-classes-types-and-use.aspx

Read about Fire Extinguishers – Classes, Types and Use to learn all about the right type of extinguisher ... Why do some fire extinguishers have more than one letter and number? ... What type of fire extinguisher is labeled for Class B fires? .... Yes, 5 and 10 pound ABC fire extinguishers represent over 80% of all types sold.

www.bettendorf.org/egov/docs/1160167747_549163.pdf

All You Ever Wanted to. Know ... Older fire extinguishers are labeled with ... Also located on the fire extinguisher label is the UL rating. ... number of square feet of a flammable liquid fire that a non-expert ... This class of fire extinguishers does not have a numerical rating. The presence of the letter —C“ indicates that the.

www.osha.gov/SLTC/etools/evacuation/portable_about.html

All portable fire extinguishers must be approved by a nationally recognized ... tests are labeled and given an alpha-numeric classification based on the type and ... The letters (A, B, and C) represent the type(s) of fire for which the extinguisher ... The number in front of the A rating indicates how much water the extinguisher is ...

www.brkelectronics.com/faqs/oem/what-do-the-abc-ratings-mean-on-fire-extinguishers

Fire extinguishers with a Class A rating are effective against fires involving ... The number in front of the A, B, or C indicates the rating size of fire the unit can ...