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NOTE: This is an unformatted excerpt from our online fire protection training library.

NEC Requirements

Summary

Summary

The NEC requires that all conductors used in fire alarm systems be copper. Aluminum conductors are not permitted. Conductors may be solid or stranded.
NEC Section 760-10 requires that all fire alarm system circuits be identified at terminal and junction locations in a manner that will prevent unintentional interference with the signaling circuit during testing and servicing.
NEC Section 300-11 requires that all cable assemblies, raceways, boxes, cabinets, and fittings be securely supported from the building structure.
NEC Section 760-61 permits various types of cables to be substituted for power-limited fire alarm circuit cables.
Where fire alarm devices and circuits are installed in locations subject to flammable vapors or combustible dusts, the installation must meet the requirements of NEC Article 500 for Hazardous (Classified) Locations.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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