For information on Fixed Electric Heating Equipment for Pipelines and Vessels, refer to which article?

The correct choice is Article 426, which specifically addresses Fixed Electric Heating Equipment, particularly for applications such as pipelines and vessels. This article provides guidelines and requirements for the installation and use of electric heating systems that help maintain the temperature of liquids in pipes or tanks, ensuring safe operation and preventing issues such as freezing or viscosity changes.

Understanding the content of Article 426 is crucial for professionals working with electric heating systems to ensure compliance with safety standards and effective operation. It covers aspects related to the installation, circuit requirements, and operational considerations that are essential for the proper functioning of electric heating systems in these contexts.

In contrast, the other articles mentioned focus on different electrical applications. Article 408 deals with modular assemblies, while Article 430 pertains to motors and their branch circuits. Article 440 covers the requirements for air-conditioning equipment and refrigerating machinery. Understanding the specific focus of each article helps ensure compliance with the NEC and supports safe electrical design and installation practices.