Which NEC code section covers the general requirements for conductors?

NEC Article 310 is the section of the National Electrical Code that covers the general requirements for conductors, specifically focusing on the conductors used for wiring methods and installations. This article outlines the specifications for the types of conductors, their ratings, and requirements for proper installation, including ampacity, insulation types, and conditions of use.

Understanding this article is crucial for ensuring safety and compliance in electrical installations, as it helps electricians choose the appropriate conductors for different applications and environments. Article 310 also addresses the grouping and derating of conductors when multiple wires are run together, which is essential to prevent overheating and potential fire hazards.

In contrast, other articles mentioned have specific focuses: Article 200 pertains to the use of conductors for service and service equipment; Article 400 relates to flexible cords and cables; while Article 500 covers hazardous locations. Each of these articles serves its own important purpose, but it is Article 310 that provides a comprehensive overview of conductor requirements and is primarily relied upon for general conductor standards.