Type ABC Fire Extinguisher - This is a multipurpose dry chemical extinguisher.

The ABC type is filled with monoammonium phosphate, a yellow powder that is effective at extinguishing fires that 1. involveordinary combustibles, such as wood, cloth, and paper (Type A Fire Extinguishers are also designed to fight this type of fire); 2. involve liquids, greases, and gases (Type B fire extinguishers are also designed to fight this type of fire); and 3: fires involving energized electrical equipment (Type C Fire Extinguishers are also designed to fight this type of fire).

Monoammonium phosphate leaves a sticky residue after use that may be damaging to electrical appliances such as a computers.