Term
| Air-Aspirating Foam Nozzle |
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Definition
| Foam nozzle especially designed to provide the aeration required to make the highest quality foam possible; most effective appliance for the generation of low-expansion foam. |
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Term
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Definition
| Substance or mixture composed of two or more metals (or a metal and nonmetallic elements) fused together and dissolved into each other when molten intended to enhance the properties or usefulness of the base metal. |
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Term
| Aqueous Film Forming Foam (AFFF) |
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Definition
| Synthetic foam concentrate that, when combined with water, can form a complete vapor barrier over fuel spills and fires and is a highly effective extinguishing and blanketing agent on hydrocarbon fuels. Also called light water. |
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Definition
| The ability of a substance to conduct an electrical current. |
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Definition
| Gaseous, liquid, or solid materials that can burn, irritate, or destroy human skin tissue and can severely corrode steel. Also called Corrosives. |
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Definition
| Extinguishing system that uses dry-chemical powder as the primary extinguishing agent; often used to protect areas containing volatile flammable liquids. |
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Definition
| Extinguishing agent suitable for use on combustible metal fires. |
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Definition
| Pathway to safety. It can lead to an already burned area, a previously constructed safety area, a meadow that will not burn, or a natural rocky area that is large enough to take refuge without being burned. When escape routes deviate from a defined physical path, they must be clearly marked (flagged). |
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Definition
| Any substance used for the purpose of controlling or extinguishing a fire. |
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Definition
| Portable fire fighting device designed to combat incipient fires. |
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Definition
| Extinguishing system that uses a halogenated gas as the primary extinguishing agent; usually installed to protect highly sensitive electronic equipment. |
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Definition
| Chemical compounds (halogenated hydrocarbons) that contain carbon plus one or more elements from the halogen series. Halon 1301 and Halon 1211 are most commonly used as extinguishing agents for Class B and Class C fires. Also called Halogenated Hydrocarbons |
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Definition
| Act of excluding oxygen from a fuel. |
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Definition
| Fire-suppression system designed to protect hazards within enclosed structures. Foam is released into a compartment or area and fills it completely to extinguish the fire. |
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Definition
| In the fire service, water mist is associated with a fire extinguisher capable of atomizing water through a special applicator. Water-mist fire extinguishers use distilled water, while back-pump type water-mist extinguishers use ordinary water. |
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Term
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Definition
| Extinguishing system that uses a wet-chemical solution as the primary extinguishing agent; usually installed in range hoods and associated ducting where grease may accumulate. |
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