Dry-Chemical Extinguisher
Dry-Chemical Extinguisher : (Fire Pr) A fire extinguisher containing a dry chemical power that is ejected by compressed gas and extinguishes fire. These extinguishers are used primarily on Class B (liquids) and C (electrical) fires; however, multipurpose dry chemicals are also effective on Class A (ordinary combustibles) fires. Also called: Dry Powder Extinguisher