WebThe alpha numerical ratings are the UL performance and effectiveness designation, this is another way of saying how effective the extinguisher will be in different types of fires. The number next to the letter A ranges can from 1 to 40, which is the water equivalency for extinguishers. The number next to B and C is a measure of square feet of ... WebThe numerical rating on class A extinguishers represents the capacity in terms of an equivalent volume of water. Class 1-A extinguishers have the equivalent of 1.25 gallons of water and a 4-A has the equivalent of 5 gallons. Class B extinguishers are rated for fires involving flammable liquids such as kitchen grease, gasoline, oil, solvents and ...
Fire Extinguisher Classification Lafayette, IN - Official Website
WebJun 17, 2024 · Indoor tests, which use pans from 2.5 square feet to 50 square feet in size. Outdoor tests, which use pans from 100 square feet to 1600 square feet in size. But … Web19 rows · May 1, 2024 · Rating numbers range from 2 to 80: possible ratings are 2B, 5B, 10B, 20B, 30B, 40B, 60B, 80B, ... jobs in care international pakistan islamabad
46 CFR § 142.230 - Portable fire extinguishers and semi-portable …
WebAug 1, 2004 · These numerical ratings allow you to compare the relative extinguishing effectiveness of various fire extinguishers. For example, an extinguisher that is rated 4A:20B:C indicates the... WebThe numerical rating on these types of extinguishers indicates the amount of water it holds and the amount of fire it can extinguish. The geometric symbol indicating Class A is a … WebA Class A fire extinguisher with a numerical rating of 2 contains _____ of water. Select one: a. 1.0 gal (3.8 L) b. 1.5 gal (5.7 L) c. 2.0 gal (7.6 L) d. 2.5 gal (9.5 L) d. 2.5 gal (9.5 L) A Class B foam extinguisher is effective on all of the following fuels except one. Choose the exception. Select one: a. Gasoline b. Diesel fuel c. Cooking oil d. jobs in career junction