Which article addresses phase converters?

Article 455 of the National Electrical Code (NEC) specifically addresses phase converters. This article provides guidelines and requirements for the installation and use of phase converters, which are devices that convert single-phase electrical power into three-phase power. These converters are often used in industrial and commercial settings where three-phase power is needed but is not readily available from the utility supply.

Understanding the requirements outlined in Article 455 is important for ensuring safe and effective operation of phase converters. The article covers topics such as the types of phase converters, their construction, installation practices, and applicable safety considerations to prevent electrical hazards. By adhering to these guidelines, electrical professionals can ensure that phase converters are installed correctly and function properly, thus mitigating risks associated with electrical systems.