Solar Photovoltaic Inspection Checklist
This checklist is modeled after the framework provided by the Great Plains Institute, the Solar ABCs, and the best practices of the Solsmart Program.
Instructions: Submit all required information on this checklist, plans, and accompanying information with online application.
Checklist Items:
The city of New Brighton requires two inspections: one final building inspection, and one final electrical inspection.
Yes, the city provides online scheduling as on option. Half-hour time slots may be requestedand confirmed.
Inspections take between 24-48 hours to complete after the time of the request.
Yes, please visit our inspections website page.
oReference the MN Department of Labor & Industry’s “Solar PV Resources” webpage, as well as the following four (4) inspections categories:
- PV Inverter
- Wiring Methods &Disconnecting Means
- System Grounding
- Interconnection.
Scroll down on this page for more FAQs that explain in detail each category.
□ Is the PV system utility-interactive or standalone? 690.2
□ Is all the equipment listed for PV application? 690.4
□ Is the system grounded or ungrounded? (if ungrounded, the system needs to comply with6 90.35)
□ Has DC Ground-Fault Protection been provided and properly labeled? 690.5 & 690.35(C)?
□ What is the maximum PV system voltage? 690.7
□ Is all listed equipment rated for the maximum voltage? 690.7
□ Determine the maximum circuit current for the PV Source and Output Circuit; Inverter Output Circuit; Stand-Alone Inverter Input Circuit; and DC to DC Converter Output (refer to inverter documentation)
□ Are the conductor and cable ampacities determined at 125% before adjustment factors? 690.8 (B)
□ How are the PV Source and Output Circuit protected from overcurrent? 690.9 (A&B)
□ Do AC or DC OCPD's have the appropriate voltage, current and interrupt ratings? 690.9(C)
□ Has arc-fault circuit protection been provided for DC source and/or output circuits? 690.11
□ Is a rapid shutdown required and if so, how is it accomplished and identified? 690.12
□ Is the PV disconnect permanently marked and installed in a readily accessible location? 690.13
□ Has the fuse disconnecting means, if required, been installed? 690.16
□ Are PV source or output circuits > 30 volts in a raceway or guarded if readily accessible? 690.31
□ Is single conductor cable used outdoors Type USE-2 or listed & labeled PV wire? 690.31(C) (Ungrounded systems must be labeled PV wire only. 690.35)
□ Are PV source or output circuits on or inside a building in a metal raceway and marked? 690.31(G)
□ Are all connectors polarized, guarded, latching-type or tool-safeguarded, rated to interrupt the available current or labeled "Do Not Disconnect Under Load"? 690.33
□ Has the system been grounded at one single point? 690.42
□ Are all exposed non-current carrying metal parts of the PV system grounded? 690.43(A&B)
□ Are the mounting structures or systems used for equipment grounding? 690.43(C&D)
□ Are the interconnecting devices used for equipment grounding listed and identified? 690.43 (C&D)
□ Is the EGC properly sized and protected if exposed and smaller than #6? 690.50, 250.122, 250 .120(c)
□ Has the grounding electrode system been installed? 690.47
□ If both are present, has the DC grounding electrode system been bonded to the AC GES? 690.47(C)
□ Was an auxiliary electrode installed at the array? 690.47
□ Has a plaque or directory been installed at each disconnecting means (capable of interconnection) denoting all electric power sources & power production sources? 705.10
□ Has the point of connection to other sources been installed per 705.12? 690.64
□ Is the supply side disconnect readily accessible and within 10’ of the connection point? 705.12 (A)
□ Are the utility interactive inverters connected to the system through a dedicated circuit breaker or fusible disconnecting means? 705.12(D)(1)
□ Does the bus or conductor ampacity comply with 705.12(D) (2)?
□ Have all the required labels been applied? (See appendix 1 “NEC Labelling Requirements”)
