Notes:
1. These diagrams are intended to be a means of identification for photovoltaic system components, circuits, and connections.
2. Disconnecting means required by Article 690, Part III, are not shown.
3. System grounding and equipment grounding are not shown. See
Article 690, Part V.
signal circuits. The NIU may also contain primary and secondary protectors.
FPN: A typical single-family network-powered communications circuit consists of a communications drop or communications service cable and an NIU and includes the communications utility's serving terminal
692.3 Other Articles. Wherever the requirements of other articles of this Code and Article 692 differ, the requirements of Article 692 shall apply, and, if the system is operated in parallel with a primary source(s) of electricity, the requirements in 705.14, 705.16,
705.32, and 705.143 shall apply.
692.4 Installation.
(A) Fuel Cell System. A fuel cell system shall be permit-
(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
The systems covered by this article consist only of those that are permanently installed in their entirety, including the power source.
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.
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.
720.1 Scope. This article covers installations operating at less than 50 volts, direct current or alternating current.
