Fire extinguisher

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Class A-D fire extinguisher


A portable device used to put out fires. Fire extinguishers are specific to the combustion material in the fire.

- Class A - combustible materials such as wood and textiles require a coolant extinguisher, such as or carbon dioxide.
- Class B - flammable liquids, oils and grease require a smothering extinguisher, such as carbon dioxide, foam or dry chemical. Do not use water.
- Class C - electrical fires require carbon dioxide gas or dry chemical extinguishers. Do not use water.
- Class D - burning metals require a dry powder formulation such as graphite or trimethoxyboroxine. Do not use water.
Carbon dioxide fire extinguisher

Synonyms and Related Terms

extincteur (Fr.); extintor (Port.);

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