Which article covers guidelines related to appliances?

Article 422 of the National Electrical Code (NEC) specifically addresses the requirements for appliances, including their installation, use, and safety considerations. This article includes various aspects such as the branch circuits that supply the appliances, the necessary disconnecting means, and the appropriate receptacles for different types of appliances.

The article is critical in ensuring that electrical appliances are safely connected to the electrical supply, which helps prevent hazards such as electrical shock or fire due to improper wiring or connections. It sets out clear guidelines that manufacturers, electricians, and inspectors must follow to ensure that appliances operate safely within residential, commercial, and industrial settings.

In the context of the other articles mentioned, Article 424 deals with fixed electric space heating equipment, Article 426 focuses on the installation and use of conductor heating and heat tracing systems, and Article 440 outlines the requirements for hermetic refrigeration equipment and starters. While these articles relate to specific types of equipment, Article 422 covers a broader range of appliances, making it the appropriate choice for guidelines related to appliances in general.