WebLocated on the fire extinguisher label is the UL rating …. Class A: Wood, Paper, cloth, trash, plastics (solids that are not metals). The numerical rating for a Class A Fire extinguisher refers to the amount of chemicals/agent in the extinguisher. The number represents the chemical/agent’s equivalent to gallons of water the extinguisher holds. WebThis rating is expressed as a number from 1 to 40 for Class A fires and from 1 to 640 for Class B fires. This rating will appear on the label-- 2A:10B:C, for example. The larger the numbers, the larger the fire of a specific class on which the extinguisher can be used. No number accompanies an extinguisher's Class C rating.

Fire Extinguisher Types NFPA

WebA numerical rating is also indicated where relevant. When a fire extinguisher is rated for more than one class of fire, it is expressed in alphabetical order. For example if it is classified 2A:40B (E), it means it is suitable for, Class A fire with a rating 2 (or equivalent to dousing capacity of 2.5 gallons of water) http://csrri.iit.edu/~howard/itp/portable cindy miller cairo ga

Portable Fire Extinguisher Locations, NFC & NFPA 10

WebA Class A fire extinguisher with a numerical rating of 2 contains __ gallon of water. 2.5. A Class B foam extinguisher is not rated for which fuel. Cooking oil. A Class C agent must. … WebClass A extinguishers are rated 1-A to 40-A. 1-A equals 1 1/4 gallons of water and is the benchmark even for non-water type extinguishers. 2-A has two times the extinguishing capability of a 1-A, 10-A ten times a 1-A etc. 1-A to 6-A are rated on the ability to extinguish three types of class A fires. a Wood crib b Wood panel c Excelsior Web20 okt. 2024 · Numerical fire extinguisher ratings on Class A products indicate their water equivalency. To determine a product’s capacity, multiply the number that precedes the letter A by 1.25. For example, a 4-A rated fire extinguisher would be equivalent to 5 gallons of water (4 X 1.25 = 5). cindy miller calgary