NEC 2023 Article 690 — Solar Photovoltaic Systems | Builder's Knowledge Garden — Builder's Knowledge Garden
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NEC 2023 Article 690 — Solar Photovoltaic Systems
Updated Apr 17, 2026
PV system wiring, disconnects, rapid shutdown, and grounding. 690.12 rapid shutdown within 1 ft of array required. 690.56(C) labeling required on service panel for interconnected PV.
California Title 24 requires PV on most new residential. Combined with NEC 690.12 rapid shutdown, every new CA SFR inspection checks rapid-shutdown labeling and accessible initiator.