- 行业: 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 dark brown to black cementitious material produced by the destructive distillation of coal.
Industry:Fire safety
A dc device consisting of one or more 2-pole, 2-wire, nonpolarized, nongrounding-type receptacles intended to be used on dc circuits only.
Industry:Fire safety
A dc meter that measures the potential of a metallic hull or metallic hull fittings as compared to a reference electrode.
Industry:Fire safety
A decision made by a responder based on a hazard identification and situation assessment that weighs the risks likely to be taken against the benefits to be gained for taking those risks.
Industry:Fire safety
A decorative composite glazing material made of individual pieces of glass that are embedded in a cast matrix of concrete or epoxy.
Industry:Fire safety
A decrease of the supply voltage to less than 90 percent of the nominal voltage for a time duration greater than 1 minute.
Industry:Fire safety
A decrease to between 10 percent and 90 percent of the normal voltage at the power frequency for durations of 0. 5 cycle to 1 minute. (If the voltage drops below 10 percent of the normal voltage, then this is classified as an interruption. ) It is further classified into three categories: (1) Instantaneous — 0. 5 cycle to 30 cycles; (2) Momentary — 30 cycles to 3 seconds; and (3) Temporary — 3 seconds to 1 minute.
Industry:Fire safety
A dedicated crew of fire fighters who are assigned for rapid deployment to rescue lost or trapped members.
Industry:Fire safety
