The National Electrical Code (NEC) Article 230 is a set of guidelines that provides the minimum requirements for installing and maintaining electrical services and equipment in buildings or structures. This article specifically covers the service conductors and equipment that connect the electrical utility supply to the wiring within a building or structure.
Article 230 outlines the requirements for service entrance conductors, raceways, enclosures, and grounding. It also covers the minimum clearances and distances required for installation, the types of wiring and equipment that are allowed, and the methods for protection against overcurrent and overvoltage conditions.
Overall, compliance with NEC Article 230 is essential for ensuring the safe and reliable operation of electrical systems, and it is often required by building codes and electrical inspectors.