Fire Safety Laboratory Operations Review 17
CLASS OF FIRE COMBUSTIBLE MATERIAL EXTINGUISHERS TO USE COMMENTS
A
B
C
D
Don’t use water on electrical fires or
burning liquids.
Never use water. Dry chemical may
damage electrical equipment. CO 2
leaves no residue; good choice for
computers, analyzers.
Cloth, wood, paper
Flammable or combustible liquids
Electrical equipment
Combustible metals
Pressurized water (A)
Dry chemical (ABC)
Dry chemical (ABC)
CO 2 (BC)
Dry chemical (ABC)
CO 2 (BC)
Leave to professional firefighters.
