Solar Panel Inspection Checklist

Utilize this Solar Panel Inspection Checklist to ensure solar panel installation safety, efficiency and compliance with approved plans in the US.

Solar Panel Inspection Checklist



Requirements For Roof-Mounted Arrays

1. Do module model numbers match the plans and specifications?


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2. Are PV conductors compliant with their application?


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3. Is the wire secured neatly and professionally?


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4. Is the PV array properly grounded?


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5. Are electrical boxes accessible, and are connections suitable for their environment?


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6. Is the correct conduit used, properly secured, and labeled?


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7. Is access to the attic available to verify anchorage to the truss/rafter system?


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8. Is the back feeding breaker to the panel identified?


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Requirements For Ground-Mounted Arrays

1. Is the inspection of footings conducted before concrete installation?


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2. Is the mounting array correctly attached?


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3. Is there electrical bonding of structural elements?


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4. Is wiring protected and properly supported?


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5. Is the back feeding breaker to the panel identified?


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6. Is an additional array electrode installed?


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Requirements For Signage Installation

1. Is the signage made of a suitable material per NEC 110.21(B)?


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2. Is there a Rapid Shutdown label?


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3. Are Photovoltaic Power Source labels present on every junction box?


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4. Are Photovoltaic Power Source labels on exposed raceways every 10 feet and 1 foot from bends and penetrations?


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5. Is there a Directory per NEC 705.10?


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6. Is there an Inverter Label?


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7. Are there Panel Inverter Output Connection labels?


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8. Are other required labels present as per plans?


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Checking For Ratings And Equipment On Site

1. Are the components used consistent with what has been submitted and approved?


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2. Is wiring consistent with the Three Line diagram in the approved plans?


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3. Does the Inverter meet the maximum voltage rating for the PV power source?


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4. Are the OverCurrent Protection Devices (OCPDs) on the DC side rated to handle the supply voltage from the PV supply side?


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5. Are switches and OCPDs installed according to manufacturers’ specifications and approved plans?


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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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