Which chapter of the NEC addresses general wiring methods and materials?

The chapter of the National Electrical Code (NEC) that addresses general wiring methods and materials is Chapter 3. This chapter provides critical guidelines and standards for the installation and application of various types of wiring methods, including non-metallic sheath cable, conduit systems, and other wiring materials. It also covers general installation practices that ensure safety and functionality, which are essential for the effective operation of electrical systems. Chapter 3 is foundational for electricians and engineers because it lays out the requirements for wiring methods that ensure electrical safety and compliance.