Where must all service equipment, switchboards, panelboards, and motor control centers be located?

The correct answer emphasizes the importance of placing service equipment, switchboards, panelboards, and motor control centers in dedicated spaces that are protected from damage. This requirement is crucial for ensuring the safety and reliability of electrical systems. By situating this equipment in dedicated spaces, it minimizes the risk of accidental damage from environmental factors or physical impacts, which can lead to malfunction or safety hazards.

Additionally, placing equipment in dedicated areas allows for better organization, easy access for maintenance, and compliance with safety regulations. It ensures that there is a specific arrangement tailored to the operational and safety needs of the equipment rather than a generalized or public access location, where the risk of interference or damage could increase.

This answer also helps to align with practical applications of the National Electrical Code, which aims to provide comprehensive guidelines for the installation and maintenance of electrical systems to minimize hazards and ensure effective operation.