Which document outlines the requirements for grounding conductors?

The National Electrical Code (NEC) Articles are the primary reference for grounding conductors. The NEC sets the standards for safe electrical installation practices in the United States, and it includes specific articles that address grounding and bonding requirements. These articles outline the necessary specifications for grounding conductors, such as sizing, installation methods, and materials to be used to ensure a safe and reliable grounding system.

While NEMA Guidelines, IFC Regulations, and UL Standards may provide valuable information regarding electrical systems, they do not specifically detail the requirements for grounding conductors in the same comprehensive manner as the NEC does. Thus, for anyone needing to understand or apply grounding requirements, the NEC Articles serve as the authoritative source.