Figure 6 MO

 

 

 

 

Electrical conductors

 

 

Electrical non-conductors

 

Non-conducting but toxic

 

 

Extinguishing by cooling

 

 

Extinguishing by smothering

Types of fire

 

(according to the combustible)

 

 

Water

 

Water/CO2

Water/soda-acid

 

 

Foam

 

Chemical foam

Mechanical foam

 

 

Powder

 

Dry sand

Dry chem. powder

CO2

 

 

Inert Gases

 

Co2

Steam

 

 

Volatile liquids

 

Carbon tetrachloride,

Methyl bromide

etc.

Type A

Dry fires (wood, paper, textile etc.)

 

Yes

 

Yes (not particularly advised)

 

 

No

(usable in special circumstances)

 

No

(usable in special circumstances)

 

No

(for use in small fires)

Type B

Fire in combustible liquids

 

No

(only spray)

 

Yes

 

Yes

 

Yes

 

Yes

Used in closed space:

WARNING: Only advisable in small fares, in well ventilated spaces or when the operator utilizes it in free air

Type C

Fires in electrical equipment

 

No

(only spray)

 

No

 

Yes

 

 

Yes

 

Type D

Fire in light metals

 

No

(Risk of combustion and projection of incandescent particles)

 

No

(Risk of combustion and projection of incandescent particles)

 

Yes

(Special dry chem. Powders for fires of this type )

 

No

 

No

(Risk of combustion and projection of incandescent particles)