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14 Cards in this Set

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NFPA Standard 10
Standard for Portable Fire Extinguisher
page 125
NFPA Standard 1901 requires -portable extinguisher-
that apparatus have two approved portable fire extinguishers with mounting brackets. These must be suitable on class B and class C fires. Requires pumping apparatus to carry 2 and half gallon or larger water extinguisher for use on class A fires.
page 125
Stored Pressure water extinguisher or air-pressurized water (APW) extinguisher
water stored under pressure useful for small class A fires.
page 127
Aqueous film forming foam (AFFF)
Water with a AFFF mixture stored under pressure which can be used on class A and B fires and form a foam blanket.
page 128
Halon Extinguishers
Chemical compound effective at extinguishing class A, B, and C fires. Due to ozone-depletion potential the were phaseout out of product in 2000.
page 129
Carbon dioxide extinguishers
Carbon dioxide stored under its own pressure as a liquefied compress gas, with a slow discharge, limited reach large horn, effective on class B and C fires.
page 130
Dry chemical extinguishers
Dry chemical under pressure or cartridge-operated used to extinguish class A, B, & C or B, & C.
page 130-131
Dry powder extinguishers
Suitable for class D fires, it maybe distributed by portable extinguisher or shovel and scoop. No one agent is suitable for all class D.
page 133
symbol for class A
Ordinary Combustible
Green triangle
page 133
symbol for class B
Flammable liquids
Red box
page 133
symbol for class C
Electrical Equipment
Blue circle
page 133
symbol for class D
Combustible metals
Yellow star
page 133
Extinguisher numbers
Used with letters on class A and B only to indicate the relative effectiveness of the extinguisher.

A 2-A will extinguish twice as much as a 1-A.

A 20-B will extinguish 20 times as much as a 1-B.
page 133
Use of fire extinguisher
-Apply agent to base of the flames.
-Sweep the nozzle from side to side.
page 137