Article 455 addresses which of the following?

Article 455 of the National Electrical Code (NEC) specifically deals with phase converters. Phase converters are devices used to convert single-phase electrical power to three-phase power, allowing for the operation of three-phase equipment in areas where only single-phase power is available. This is essential for various applications, especially in industrial settings where three-phase motors and equipment are common.

The code outlines the requirements for the installation, maintenance, and safety of phase converters, ensuring that they operate efficiently and without posing risks to users or other equipment. This includes considerations related to grounding, disconnecting means, and the appropriate conductor sizes.

While motors, transformers, and generators are covered under different articles in the NEC, Article 455 specifically targets the unique aspects and regulatory requirements surrounding phase converters, making it important for electricians to be familiar with this article when working in environments where phase conversion is necessary.