What does Article 490 cover regarding electrical systems?

Article 490 of the National Electrical Code specifically addresses equipment that operates at voltages exceeding 600 volts. This section provides the necessary provisions and guidelines to ensure safe installation, maintenance, and operation of high-voltage electrical equipment. By focusing on equipment over 600 volts, the code highlights the additional safety measures and requirements due to the increased risk associated with high-voltage systems. These can include special installation practices, grounding requirements, and the need for proper protection and labeling.

Understanding the significance of this article is essential for professionals working with high-voltage systems, as it helps them comply with safety standards and regulations to protect both personnel and equipment. The requirements outlined in Article 490 facilitate safer interactions with such high-energy setups, ensuring everyone involved is aware of the specific hazards and precautions necessary when working with these systems.