News in NEC Solar and Electrician Blog
Arc Flash Labels for Solar Installations: NFPA 70E Requirements
NEC 110.16 and NFPA 70E 130.5(H) govern arc flash labels on solar. Learn what's required, what triggers a study, and how to pass every inspection.
Solar Disconnect Labels: Placement and NEC Code Requirements
NEC 690.13 and 690.15 require specific disconnect labels for solar. Learn required text, electrical data, placement, and shock hazard warnings.
Rapid Shutdown Labels: NEC 2017 vs 2020 vs 2023 Requirements
Learn what changed in rapid shutdown labels across NEC 2017, 2020, and 2023. Right label text, placement, and materials to pass every AHJ inspection.
NEC 2026 Solar Labeling Changes Installers Must Know
NEC 2026 changes arc flash labels, DC voltage marking, and OCPD requirements. Learn exactly what's new and how to keep your solar jobs inspection-ready.