Class B extinguishers are rated by the square footage they can cover. 20B means that if the ... Class C and D do not carry a ...

FIRE extinguishers are ... effectiveness of various fire extinguishers. For example, an extinguisher that is rated 4A:20B:C indicates the following: The A rating is a water equivalency rating.

In the January 2015 issue of FireRescue, I discussed the different types of fire extinguishers and how they ... The right type and size of extinguisher applied at the right time on specific ...

When you read a label, it might say the unit has a 3-A rating. The higher the numeric rating, the more effective it is at putting out a type of fire. Fire extinguishers do come in different sizes.

We’ve compiled a list of the best fire extinguishers for cars to keep you ... You need a fire extinguisher that’s the right size, easily accessible, and capable of dealing with the types ...

Fire extinguishers give ... effectiveness of various fire extinguishers. For example, an extinguisher that is rated 4A:20B:C indicates the following: The A rating is a water equivalency rating.