HomeMy WebLinkAboutGuidelines For Permitting Residential PV System
(2) Rated maximum power-point voltage
(3) Maximum system voltage
(4) Short-circuit current
(5) Maximum rated output current of the charge controller (if installed)
9) Interactive System Point of Interconnection. All interactive system(s) points of
interconnection with other sources shall be marked at an accessible location at the
disconnecting means as a power source and with the rated ac output current and the
nominal operating voltage. NEC 690.54
10) Photovoltaic Power Systems Employing Energy Storage. Photovoltaic power
systems employing energy storage shall also be marked with the maximum operating
voltage, including any equalization voltage and the polarity of the grounded circuit
conductor. NEC 690.55
11) Identification of Power Sources NEC 690.56
i) Facilities with Stand-Alone Systems NEC 690.56(A). Any structure or building
with a photovoltaic power system that is not connected to a utility service source and
is a stand-alone systems shall have a permanent plaque or directory installed on the
exterior of the building or structure at a readily visible location of the building or
structure at a readily visible location acceptable to the authority having jurisdiction.
The plaque or directory shall indicate the location of system disconnecting means
and that the structure contains a stand-alone electrical power system.
ii) Facilities with Utility Services and PV Systems NEC 690.56(B). Buildings or
structures with both utility service and a photovoltaic system shall have a permanent
plaque or directory providing the location of the service disconnecting means and the
photovoltaic system disconnecting means if not located at the same location.
12) Inverter Output Connection NEC 690.64(7)
WARNING
INVERTER OUTPUT CONNECTION
DO NOT RELOCATE
THIS OVERCURRENT DEVICE
C) Backfed Circuit Breakers
1) Suitable for backfeed. Circuit breakers, if backfed, shall be suitable for such operation.
NEC 690-64(B)(5)
D) Equipment Locations
1) The location of all PV equipment shall be located in plan view, any roof mounted
equipment shall be indicated as such.
E) Equipment Specification Sheets
1) Provide all PV equipment specification sheets for verification of calculations.
2) Provide manufacturers recommended mounting instructions.
Brandon Pearsall
Electrical Engineer, PE
brandon.pearsall@hawaiicounty.gov
Issued by: David Yamamoto, Building Division Chief
County of Hawai`i is an Equal Opportunity Provider and Employer.