- 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 device that prevents the transmission of a flame through a flammable gas/air mixture by quenching the flame on the surfaces of an array of small passages through which the flame must pass. The emerging gases are sufficiently cooled to prevent ignition on the protected side.
Industry:Fire safety
A device that produces a fire alarm/evacuation tone upon command.
Industry:Fire safety
A device that produces an intense, coherent, directional beam of light by stimulating electronic or molecular transitions to lower energy levels (an acronym for Light Amplification by Stimulated Emission of Radiation).
Industry:Fire safety
A device that provides and controls the electric current used to ignite fireworks during a display.
Industry:Fire safety
A device that provides feedback that a piece of equipment is in the closed position. For Chapter 5, Single Burner Boilers, when referring to safety shutoff valves, it is a non-field-adjustable switch installed by the valve manufacturer and that activates only after the valve is fully closed.
Industry:Fire safety
A device that receives a signal from a public alerting system (PAS) and broadcasts an audible and visual alarm that could be in the form of text or speech.
Industry:Fire safety
A device that records voice conversations and automatically logs the time and date of such conversations; normally, a multichannel device that keeps a semi-permanent record of operations.
Industry:Fire safety
A device that records voice conversations and provides a telecommunicator with a means to review such conversations in real time.
Industry:Fire safety
