Chapter 5 fire extinguishers

Class K fires*

Are fires in cooking appliances that involve combustible cooking media (vegetable or animal oils and fats)

Selection by Occupancy

Fire extinguishers shall be provided for the protection of both the building structure and the occupancy hazards contained therein regardless of the presence of any fixed fire suppression systems

Classifications of fires*

Fire shall be classified in accordance with the guidelines specified

Class K extinguishers manufactured after, shall not be equipped with extended wand type discharge services*

January 1, 2002

What should be used to protect pressurized flammable liquids in pressurized gas fires?*

Large capacity dry chemical extinguishers of 10 pounds (4.54kg) or greater and a discharge rate of 1 lb/sec or more

Three dimensional fires*

Large capacity dry chemical extinguishers of 10 pounds or greater and having a discharge rate of 1 pound/ second or more shall be used to protect these hazards

Classifying Occupancy Hazard

Rooms or areas shall be classified as being light (low) hazard, ordinary (moderate) hazard, or extra (high) hazard

Class K fire extinguishers manufactured after January 1, 2002

Shall not be equipped with extended one type discharge devices.

Class D fires*

combustible metals such as magnesium titanium, zirconium, sodium, lithium, and potassium.

Class C fires*

fires that involve energized electrical equipment.

Class B fires*

flammable liquids, combustible liquids, petroleum creases, tires, oils, oil base paint, solvent, lacquers, alcohols, and flammable gases.

Class A fires*

in ordinary combustible materials such as wood, cloth, paper, rubber, and many plastics.