- 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 connection that allows one side of the connection to swivel or rotate in relation to the other side after the connection has been tightened together.
Industry:Fire safety
A connection capable of carrying current as distinguished from connection through electromagnetic induction.
Industry:Fire safety
A confined, underdrained, shallow layer of sand or gravel structures on which digested sludge is distributed for draining and air drying; also an underdrained, shallow, diked earthen structure used for drying sludge.
Industry:Fire safety
A conduit seal that is a tested and approved hourly rated fire seal in accordance with ASTM E 814, FireTestsofThrough-PenetrationFireStops.
Industry:Fire safety
A conduit or passageway for conveying air to or from heating, cooling, air conditioning, or ventilating equipment, but not including the plenum.
Industry:Fire safety
A conduit for transferring air between an air duct or plenum and an air terminal unit or an air inlet or air outlet.
Industry:Fire safety
A conductor, not normally carrying current, used to connect the metallic non-current carrying parts of electrical equipment to the ac system and engine negative terminal, or its bus, and to the shore ac grounding conductor through the shore power cable.
Industry:Fire safety
A conductor used to connect the system grounded conductor or the equipment to a grounding electrode or to a point on the grounding electrode system.
Industry:Fire safety
A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode or electrodes.
Industry:Fire safety
