National Electric Code
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700-Emergency Systems
I. General
700.4 Tests and Maintenance.
(A) Conduct or Witness Test. The authority having juris- diction shall conduct or witness a test of the complete system upon installation and periodically afterward.
(B) Tested Periodically. Systems shall be tested periodically on a schedule acceptable to the authority
701-Legally Required Standby Systems
I. General
701.1 Scope. The provisions of this article apply to the electrical safety of the installation, operation, and maintenance of legally required standby systems consisting of circuits and equipment intended to supply, distribute, and control electricity to required facilities for illumination or power, or both, when the normal electrical supply or system is interrupted.
The systems covered by this article consist only of those that are permanently installed in their entirety, including the power source.
702-Optional Standby Systems
I. General
702.1 Scope. The provisions of this article apply to the installation and operation of optional standby systems.
The systems covered by this article consist of those that are permanently installed in their entirety, including prime movers, and those that are arranged for a connection to a premises wiring system from a portable alternate power supply.
705-Interconnected Electric Power Production Sources
I. General
705.4 Equipment Approval. All equipment shall be ap- proved for the intended use. Utility-interactive inverters for interconnection systems shall be listed and identified for interconnection service.
705.10 Directory. A permanent plaque or directory, denoting all electric power sources on or in the premises, shall be installed at each service equipment location and at locations of all electric power production sources capable of being interconnected.
708-Critical Operations Power Systems
FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 1600-
2007, Standard on Disaster/Emergency Management
and Business Continuity Programs. Only editorial
changes were made to the extracted text to make it
consistent with this Code.
720-Circuits and Equipment Operating
720.1 Scope. This article covers installations operating at less than 50 volts, direct current or alternating current.
725-Class 1, Class 2, and Class 3
I. General
725.3 Other Articles. Circuits and equipment shall com- ply with the articles or sections listed in 725.3(A) through (G). Only those sections of Article 300 referenced in this article shall apply to Class 1, Class 2, and Class 3 circuits.
(A) Number and Size of Conductors in Raceway. Sec- tion 300.17.
727-Instrumentation Tray Cable- Type ITC
727.1 Scope. This article covers the use, installation, and construction specifications of instrumentation tray cable for application to instrumentation and control circuits operating at 150 volts or less and 5 amperes or less.
727.2 Definition.
760-Fire Alarm Systems
I. General
300.21. The accessible portion of abandoned fire alarm cables shall be removed.
(B) Ducts, Plenums, and Other Air-Handling Spaces. Section 300.22, where installed in ducts or plenums or other spaces used for environmental air.
Exception: As permitted in 760.53(B)(1) and (B)(2) and
760.154(A).
(C) Hazardous (Classified) Locations. Articles 500