In this episode, Sean White revisits the foundation of the podcast by reading and analyzing Article 690 of the newly released 2026 National Electrical Code (NEC). The session provides a detailed walkthrough of the article, discussing its application, key updates, and specific requirements for Solar Photovoltaic (PV) systems. The podcast covers various sections, including general and specific equipment requirements, wiring methods, grounding and bonding, and rapid shutdown protocols for PV systems. The episode also includes historical context, teaching experiences, and insights into the evolution of the NEC. Listeners can supplement their learning by taking advanced PV or energy storage classes offered by the host and co-author Bill Brooks. Topics Covered: NEC Article 690: Scope and System Types 690.2 Listing Requirements for PV Equipment 690.4 General Requirements for PV Systems 690.7 Maximum DC Voltage Calculations 690.8 Circuit Sizing and Equipment 690.9 Overcurrent Protection in PV Systems 690.12 Rapid Shutdown of PV Systems 690.13 Disconnecting Means for PV Systems 690.31 Wiring Methods and Materials 690.31(B) Identification and Grouping of Conductors 690.31 (C) Wires and Cables 690.32 Component Interconnections 690 Part V Grounding and Bonding Learn more at www.solarSEAN.com and be sure to get NABCEP certified by taking Sean’s classes at www.solarsean.com www.solarsean.com/30hrpv
