Inspection Guide for PV Systems Field Guide Make sure all PV system - PowerPoint PPT Presentation

Apr 07, 2023 •145 likes •396 views

Inspection Guide for PV Systems Field Guide Make sure all PV system ac/dc disconnects and circuit breakers are in the open position and verify the following. SHOULD BE OFF TO START THE INSPECTION 1. All work done in a neat and

Inspection Guide for PV Systems — Field Guide Make sure all PV system ac/dc disconnects and circuit breakers are in the open position and verify the following. SHOULD BE “OFF” TO START THE INSPECTION
1. All work done in a neat and workmanlike manner (NEC 110.12)
1. All work done in a neat and workmanlike manner (NEC 110.12) NO CONDUCTORS HANGING DOWN ATTRACTING ATTENTION OR DEBRIS
1. All work done in a neat and workmanlike manner (NEC 110.12) GOOD BAD UGLY
2. PV module model number, quantity and location (also neat and workmanlike)
2. PV module model number, quantity and location (bad structurally and aesthetically)
CORRECT INCORRECT 3. Array mounting system and structural connections according to the approved plan. 4. Roof penetrations flashed/sealed according to the approved plan.
5. Array exposed cables are properly secured, supported and routed to prevent physical damage. POORLY ROUTED UNSECURED AND LAYING ON ROOF SURFACE AND VENT
5. Array exposed cables are properly secured, supported and routed to prevent physical damage. WELL SECURED AND SUPPORTED
6. Conduit correctly installed and according to CRC R331.3 and NEC 690.4(F). RUN ALONG RIDGE CONSISTENT WITH 690.4(F) UNSECURED FLEX LAYING ON ROOF
7. Firefighter access according to approved plan.
7. Firefighter access according to approved plan. FIRE FIGHTERS HAD PLENTY OF ROOM TO FIGHT THE FIRE AT THIS RESIDENCE
8. Roof-mounted PV systems have the required fire classification
Wrong Notice grounding slight gap hardware caused by properly installed clip Hardware consistent with instructions 9. Grounding/bonding of rack and modules according to the manufacturer’s installation instructions
10. Equipment listed and installed according to the approved plan 11. Inverter is marked “utility interactive.”
12. Conductors, cables and conduit types, sizes and markings according to the approved plan. THWN WIRE USED OUTSIDE CONDUIT IN SUNLIGHT-NOT ALLOWED PV WIRE HAS CORRECT OUTDOOR RATINGS
13. Overcurrent devices are the type and size according to the approved plan
14. Disconnects according to the approved plan and properly located as required by the NEC
DC DISCONNECT INSIDE NEXT TO INVERTER BUT NO AC DISCONNECT — AC DISCONNECT OUTSIDE 14. Disconnects according to the approved plan and properly located as required by the CEC?
15. Inverter output circuit breaker is located at opposite end of bus from utility supply Photo courtesy of Bill McGovern
16. PV system markings, labels and signs according to the approved plan
16. PV system markings, labels and signs according to the approved plan OWNER HAD ALL THE EQUIPMENT STUCCOED — INCLUDING ALL THE SIGNS
17. Connection of the PV system to the grounding electrode system according to the approved plan.
18. Access and working space for operation and maintenance of PV equipment
19. The rapid shutdown system is installed according to the approved plan [690.12]

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