Article 610 in the NEC focuses specifically on which of the following?

Article 610 of the National Electrical Code (NEC) specifically addresses cranes and hoists. This article provides crucial safety and installation guidelines for electrical equipment used in the operation of cranes and hoists, which are essential for lifting and moving heavy loads in various industries. The focus on these types of equipment includes the requirements for wiring, grounding, and any applicable control systems that ensure not only functionality but also the safety of both operators and bystanders.

Cranes and hoists present unique challenges regarding electrical installation due to their mobile nature and the needs for reliable operation in potentially hazardous environments. Therefore, Article 610 outlines provisions tailored to address these challenges, ensuring compliance with safety standards and operational efficiency.

The other options listed, such as marinas and boatyards, temporary installations, and elevators or dumbwaiters, each correspond to different NEC articles that focus on their specific requirements and safety measures, making clear distinctions in NEC coverage to cater to the unique operational needs of each category.