Article 620 of the NEC® provides information about which of the following?

Article 620 of the National Electrical Code (NEC®) specifically addresses the requirements related to elevators, dumbwaiters, and escalators. This article provides guidelines that ensure the safe installation and operation of these systems, which are crucial for public safety and accessibility.

The focus on elevators, dumbwaiters, and escalators is essential because these systems involve unique electrical components and operational considerations. For instance, they may have specific requirements for power supply, emergency operations, and grounding that differ from general electrical systems. Understanding these regulations helps electrical professionals ensure compliance with safety standards and proper functionality in commercial and residential applications.

By designating specialized provisions for these systems, Article 620 contributes to the overall safety in buildings and infrastructure, allowing for safe transport of people and goods, and preventing electrical hazards associated with their operation.