Which regulation pertains specifically to fixture wires?

The regulation that specifically pertains to fixture wires is Article 402. This article addresses the use, installation, and requirements of fixture wires, which are typically used for connection between lighting fixtures and the power supply. It outlines important specifications such as the types of materials suitable for fixture wires, their ratings, and how they should be installed to ensure safety and compliance with the National Electrical Code.

Understanding this regulation is crucial for electricians and installers, as it ensures the proper selection and installation of wiring that can handle the load and operational requirements of various fixtures, thereby enhancing safety and functionality in both residential and commercial electrical systems.