Did you know fire extinguisher ratings chart? If you buy a fire extinguisher for your office, pick a rating of A, B, or C. Then, there is also a fire extinguisher rating D and K, but intended for restaurants.
Fire extinguisher ratings chart
1. A-rated fire extinguisher put out the fires fueled by paper, plastic or wood. B-rated extinguishers fight fires driven by liquids including gasoline, usually found in the car garage. C-rated fire extinguisher put out the fires that may start in an electrical component or electrical cable.
2. A-and B-rated fire extinguishers also use numbers to state how big the fire they can fight. The higher number means can fight the large fire too.
3. Fire extinguishers with 1A rating match 1.25 gallons of water. 2A ranked equivalent to 2.5 gallons of water and ranked 4A equal to 5 gallons of water.
4. B-rated fire extinguisher numbered in the multiple 10. Fire extinguisher with 10B rating can fight approximately 10 square feet of fire. A fire extinguisher with 20B rating can cover 20 square feet of fire.
5. Rating A fire extinguisher needs at least 2A grade to be sufficient. Also, fire extinguishers type B need at least 10-B ratings.
Fire extinguisher ratings chart explanation
Most fire extinguishers have a fire Rating printed on the tube. This code, for example, 14A/50B, defines types of fire and fire extinguisher size that able to extinguish.
Thus in the example, 50B/14A can fight class A fires size 13 or the fire class B size 55. For class, A fires the size of tests performed using the fire consists of a lattice of wooden sticks. It is approximately 40 mm square x 500 mm and high 14 mm. The number 14 comes from the number of staff in each row as an example. Fire extinguishers that can extinguish a fire of this size rated 14A.
In practice, you should estimate the amount of risk against Gomi on this benchmark. Also, choose the size best suited for the job. After determining a rating 14A then compare your ranking on different types of firefighting agents. Also, available size to determine the most appropriate for your application.
Different fire extinguisher ratings chart
Class B fires involve burning liquids such as gasoline, oil, and heptane. Only foam AFFF, CO2 fire extinguishers and dried powder suitable for this application. The designation 55 defines the size of the fire, and in this case, it is easier to visualize using the test 50 liters of fuel combustion.
By the way, there is no such thing as rank E-class in fire extinguisher ratings chart in the United Kingdom. Its often thought to cover electrical fire. Many fires caused by electrical faults as a result of other glowing flammable. If the extinguisher described safe to use on fires involving electrical. Then, it means the suppressor is not conductive of electricity. So, you don’t risk electrocution when fighting the fire. In any event, the sensible approach is to cut off the power supply to the area where a fire broke out.