The following are the five primary classes of fires:
Solid materials, such as wood or paper, textiles, and some polymers, are classified as Class A.
Alcohol, ether, gasoline, or grease is examples of Class B liquids or gases.
Electrical failures caused by appliances, electronic equipment, and wiring are classified as Class C.
Metals such as sodium, titanium, zirconium, and magnesium are classified as Class D.
Cooking-related grease or oil fires are classified as Class K.