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The National Electrical Code (NEC) Article that specifically addresses Solar Photovoltaic (PV) Systems is Article 690. This article outlines the requirements for the design, installation, and safety considerations relevant to PV systems, including requirements for system components such as modules, inverters, and wiring methods.

It covers aspects like grounding, overcurrent protection, and system interconnections, ensuring that installations meet safety standards and operate efficiently. As the technology related to solar energy evolves, this article is essential for ensuring compliance with safety protocols and optimizing the performance of PV systems. Understanding this article is crucial for anyone working with solar energy systems, as it provides a roadmap for adhering to accepted electrical practices and safety regulations.