- 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 detonator with 0. 40 to 0. 45 grams PETN base charge pressed to a specific gravity of 1. 4 g/cc and primed with standard weights of primer, depending on manufacturer.
Industry:Fire safety
A detonator with an integral delay element used in conjunction with and capable of being initiated by a detonating impulse.
Industry:Fire safety
A deviation of the fiber direction from a line parallel to the sides of the piece.
Industry:Fire safety
A device added to the underside of the bottom bar of a power-operated rolling steel fire door or fire shutter that stops or reverses the door curtain upon contact with an obstruction when closing under power.
Industry:Fire safety
A device capable of detecting and measuring concentrations of oxygen in the atmosphere.
Industry:Fire safety
A device capable of providing protection for service, feeder, and branch circuits and equipment over the full range of overcurrents between its rated current and its interrupting rating. Branch-circuit overcurrent protective devices are provided with interrupting ratings appropriate for the intended use but no less than 5,000 amperes.
Industry:Fire safety
A device connected into the control circuit and used for controlling the operation of the machine (e.g., position sensor, manual control switch, relay, magnetically operated valve).
Industry:Fire safety
A device connected to a control unit that monitors the fire extinguisher in accordance with the requirements of NFPA 10, Standard for Portable Fire Extinguishers.
Industry:Fire safety
A device connected to a radio receiver, transmitter, or transceiver that radiates the transmitted signal, receives a signal, or both.
Industry:Fire safety
A device connected to an alarm control unit having a sensor that responds to carbon monoxide.
Industry:Fire safety
