What does Article 450 focus on regarding electrical work?

Article 450 specifically addresses transformers and transformer vaults in the National Electrical Code (NEC). It outlines the requirements and guidelines for the installation, maximum capacity, ventilation, grounding, and protection of transformers, which are critical components in electrical systems. The article is designed to ensure that transformers are safely installed and operate efficiently, minimizing risks associated with electrical failures.

Understanding the specifics of this article is vital for electrical contractors, as it helps ensure compliance with safety standards and regulatory requirements, protecting both the equipment and the individuals who work with or around these installations. Key topics covered include transformer ratings, placement of equipment, and considerations for fire safety, which are all crucial for making informed installation decisions.