- Industry: 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.
Electrical equipment immersed in a protective liquid in such a way that an explosive atmosphere that may be above the liquid or outside the enclosure cannot be ignited.
Industry:Fire safety
Electrical equipment enclosed in a tight case or protected by shields, screens, or insulation that contains sparks or prevents their emission.
Industry:Fire safety
Electrical equipment and associated wiring that are incapable, under normal operating conditions, of releasing sufficient electrical or thermal energy to cause ignition of specific hazardous materials in their most easily ignited concentrations in air.
Industry:Fire safety
Electrical connection putting various exposed conductive parts and extraneous conductive parts at a substantially equal potential.
Industry:Fire safety
Electrical and control spaces are those used for the control and management of routine and emergency vessel operations.
Industry:Fire safety
Effect of water, its movement, and mechanics, in relation to bodies of water.
Industry:Fire safety
Earth or fill that is not readily permeable or absorbent to large quantities of flammable or combustible liquid or water, or both.
Industry:Fire safety
Ductile materials such as aluminum, copper, and brass, nonductile materials such as cast iron, and rigid and nonrigid polymeric materials such as plastic and fiberglass-reinforced plastic that soften on exposure to fire and that are partially or completely consumed by fire.
Industry:Fire safety
Drawings (as-built) that document the location of all devices, appliances, wiring sequences, wiring methods, and connections of the components of the fire alarm system as installed.
Industry:Fire safety
Draft produced by the difference in the weight of a column of flue gases within a chimney or vent and a corresponding column of air of equal dimension outside the chimney or vent.
Industry:Fire safety
