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3.3.90.21 Spark/Ember Detector
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A radiant energy-sensing
fire detector that is designed to detect sparks or embers, or
both. These devices are normally intended to operate in
dark environments and in the infrared part of the spectrum.
[72,2019]
Related Code Sections
3.3.87.21 Definitions, Spark/Ember Detector
A radiant energy-sensing fire detector that is designed to detect sparks or embers, or both. These devices are normally intended to operate in dark ...
3.3.90.21 Definitions, Spark/Ember Detector
A radiant energy-sensing
fire detector that is designed to detect sparks or embers, or
both. These devices are normally intended to operate in
dark ...
17.8.3.3 Initiating Devices, Spacing Considerations for Spark/Ember Detectors
The location and spacing of detectors shall be the result of an engineering evaluation that includes the following: Size of the spark or ember ...
17.8.3.3.5* Initiating Devices,
In applications where the sparks to be detected could occur in an area not on the optical axis of the detector, the distance shall be reduced ...