Types of Fire Extinguishers
Extinguishers are classified by a letter and number symbol. The number indicates the relative size of the extinguisher, and the letter indicates the type of fire it will extinguish.
- Type A fires are of combustible solids like wood.
- Type B fires are of flammable liquids like gasoline or oil.
- Type C fires are electrical fires.
Approved types of fire extinguishers are identified by the following marking on the label—"Marine Type USCG Approved"—followed by the type and size symbols and the approval number.