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The correct answer is based on the fact that Article 200 of the National Electrical Code (NEC) specifically addresses grounded conductors. This article outlines the requirements for identifying grounded conductors and their terminals, ensuring that individuals working with electrical systems can easily recognize and adhere to safety standards. Proper identification of grounded conductors is crucial for preventing electrical shock hazards and ensuring proper system functionality.

Article 200 provides guidance on the proper markings and terminology that should be used, which is essential for both installation and maintenance of electrical systems. Understanding the requirements set forth in this article helps technicians and electricians ensure compliance with safety regulations and promotes consistent practice across the industry.

Other articles, while they may cover various aspects of electrical installations, do not specifically address the identification requirements for grounded conductor terminals. For example, Article 300 primarily deals with general wiring methods and requirements, and Article 400 focuses on flexible cords and cables. Article 100 defines specific terms used throughout the NEC, but does not provide the detailed requirements for grounded conductors found in Article 200.