5.8 Testing circuit supervision
For recommended procedures and guidelines on testing the IDCs, NACs and RACs, refer to NFPA 72 (2002 Edition), Annex C, Wiring Diagrams
and Guides for Testing Fire Alarm Circuits.
5.8.1 Earth fault detection
The detection level for the 4004R is 10k ohms, minimum, on all circuits.
page 35 579-354 Rev. X
4004R Fire Alarm installation, programming, and operating instructions
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