Which article pertains to information technology equipment?

The article that pertains to information technology equipment is Article 645. This article specifically addresses the installation, use, and maintenance of data processing and information technology equipment, which includes computers, servers, and related devices. It provides guidelines that account for the unique requirements of these technologies, such as power distribution, cooling, and grounding.

Relevant considerations within Article 645 ensure that the installations not only meet safety standards but also support the operational performance of the equipment in a way that complies with national safety codes. This includes provisions for special occupancy, which is essential due to the increased complexities associated with information technology environments, like data centers.

The other articles mentioned cover different aspects of electrical installations. For example, Article 610 focuses on elevators and escalators, Article 626 deals with medium voltage conductors, and Article 630 addresses demand factors for large appliances, none of which specifically relate to information technology equipment. Understanding the specific context and applications of each article is crucial for ensuring proper compliance and safety in electrical installations.