There are five different classifications of fires.

You must properly match the class of extinguisher with the potential hazard:

Class A Fires

These fires are considered ordinary or common combustibles including wood, paper, cloth, rubber, household rubbish, and some plastics. (Label is normally Green in color)

Class B Fires

These fires involve flammable liquids including oils, grease, tar, lacquers, flammable gases, oil-based paints, and some plastics.  (Label is normally Red in color)

 

 

Class C Fires

These fires involve energized electrical equipment including computers, building wiring, circuit breakers, light fixtures, and appliances.  (Label is normally Blue in color)

Class D Fires

These fires involve combustible metals including magnesium, titanium, zirconium, sodium, lithium, and potassium.  (Label is normally Yellow in color)

 

 

Class K Fires

These fires involve combustible cooking media including vegetable or animal fats and oils.  (Label is normally Black in color)