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National Fire Protection Association
Industria: Fire safety
Number of terms: 98780
Number of blossaries: 0
Company Profile:
Established in 1896, NFPA's mission is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
A Class I, Division 1 location is a location: (1) In which ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors can exist under normal operating conditions, or (2) In which ignitable concentrations of such flammable gases, flammable liquid-produced vapors, or combustible liquids above their flash points may exist frequently because of repair or maintenance operations or because of leakage, or (3) In which breakdown or faulty operation of equipment or processes might release ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors and might also cause simultaneous failure of electrical equipment in such a way as to directly cause the electrical equipment to become a source of ignition.
Industry:Fire safety
A Class B fuel-fired heat utilization unit operating at approximately atmospheric pressure used to heat outside replacement air for the process.
Industry:Fire safety
A circumstance in which a person is exposed to a hazard(s) that has the potential to result in harm immediately or over a long period of time.
Industry:Fire safety
A circular device used to store hose.
Industry:Fire safety
A circuit, other than field wiring, in which any arc or thermal effect produced under intended operating conditions of the equipment is not capable, under specified test conditions, of igniting the flammable gas-air, vapor-air, or dust-air mixture.
Industry:Fire safety
A circuit used for supplying power from the supply network to units of equipment used for productive operation and to transformers supplying control circuits.
Industry:Fire safety
A circuit to which automatic or manual initiating devices are connected where the signal received does not identify the individual device operated.
Industry:Fire safety
A circuit that is connected to boxes that transmit an alarm to the communications center.
Industry:Fire safety
A circuit that does not depend on the receipt of alarms over box circuits or the retransmission of alarms over dispatch circuits.
Industry:Fire safety
A circuit or path between any combination of circuit interfaces, control units, or transmitters over which multiple system input signals or output signals, or both, are carried.
Industry:Fire safety
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