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.
Extinguishers are classified by a letter and number symbol. The number indicates
the relative size of the extinguisher, and the letter indicates the type of fire it ...
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 .....
There are basically four different types or classes of fire extinguishers, each of
which ... colored geometrical shapes with letter designations. ... extinguisher that
is rated 4A:20B:C indicates the following: 1. ... number of square feet of a
flammable liquid fire that a non-expert ... This class of fire extinguishers does not
All portable fire extinguishers must be approved by a nationally recognized ...
The letters (A, B, and C) represent the type(s) of fire for which the extinguisher
has ... The number in front of the A rating indicates how much water the
extinguisher is ... computers, and other electrical sources require an extinguisher
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 ...
Older fire extinguishers are labeled with colored geometrical shapes with letter ...
The numerical rating for this class of fire extinguisher states the approximate
number of square feet of a ... This class of fire extinguishers does not have a
numerical rating. The presence of the letter “C” indicates that the extinguishing
agent is ...
A fire extinguisher labeled with letter "A" should be used on ... states the
approximate number of square feet of a flammable ... does not have a numerical
rating. The presence of the letter. “C” indicates that the extinguishing agent is non
-conductive. ... Even though extinguishers come in a number of shapes and sizes
, they ...
May 9, 2016 ... fire extinguisher classification. ... are labeled with either letter-shaped or pictorial
symbols that indicate what types of fires they are intended for.
addition to size, every portable fire extinguisher should be labeled: ... will often
have numbers on them that look something like "3-A:40-B:C". ... extinguishers are
useful for class ABC fires and are your best all-around choice. ... That means that
what is a small, contained fire one moment could ... The presence of the lett...