[Assimilation Alex] Electrical (301-312)
Terms in this set (11)
A type of perimeter detector which detects change in sound wave pattern.
A box with a blank cover which serves the purpose of joining one different runs of raceways or cables and provided with sufficient space for connection and branching of the enclosed conductors.
A type of perimeter detector which is subject to false alarm from aircraft radar and from movement outside building through window, wood doors, and the like. It uses radio waves.
Passive Infrared with Ultrasonic (or Microwave)
This type of perimeter detector uses both the Passive infrared and Ultrasonic or
Proximity / Capacitance
This type of perimeter detector detects a change in capacitance of the area covered, caused by intrusion.
Metal Halide Lamp
A high intensity discharge lamp in which the light is produced by the radiation from a mixture of a metallic vapor, similar to that of a mercury lamp in construction.
A type of lamp popular for lighting commercial interiors, uses argon gas to ease starting, it produces light by means of an electric discharge in mercury vapor.
Tungsten Halogen Lamp
A type of lamp which produces light by means of the reaction of halogen additive in the bulb reacts with chemically with tungsten.
A type of lamp generally used for roadways and sidewalks, uses sodium gas.
Building with fire alarm and suppression system.
In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part of a structure.
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