- 업종: 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 manufactured assembly designed to support and energize luminaires that are capable of being readily repositioned on the track. Its length can be altered by the addition or subtraction of sections of track.
Industry:Fire safety
A manufactured device with rigid arms, legs or both designed to support human loads.
Industry:Fire safety
A map delineating the flood hazard area and adopted by a jurisdiction.
Industry:Fire safety
A masonry unit whose net cross-sectional area in every plane parallel to the bearing surface is 75 percent or more of its gross cross-sectional area measured in the same plane.
Industry:Fire safety
A mass of explosive material prepared for use in bulk form without packaging.
Industry:Fire safety
A mass of snow — sometimes containing ice, water, and debris — that slides down a mountainside.
Industry:Fire safety
A material (as defined in NFPA 220, Standard on Types of Building Construction) not complying with the definition of noncombustible material that, in the form in which it is used, has a potential heat value not exceeding 8141 kJ/kg (3500 Btu/lb) and complies with one of the following: (a) materials having a structural base of noncombustible material, with a surfacing not exceeding a thickness of 3. 2 mm (1⁄8 in. ) and having a flame-spread rating not greater than 50 or (b) materials, in the form and thickness used, other than as described in (a), having neither a flame-spread rating greater than 25 nor evidence of continued progressive combustion and of such composition that surfaces that would be exposed by cutting through the material on any plane would have neither a flame-spread rating greater than 25 nor evidence of continued progressive combustion.
Industry:Fire safety
A material that, in the form in which it is used and under the conditions anticipated, will not ignite, support combustion, burn, or release flammable vapors when subjected to fire or heat.
Industry:Fire safety
A material applied to a deck for purposes of increasing the fire or thermal endurance of the deck.
Industry:Fire safety
