Which chapters in the Code apply generally to electrical installations?

The correct choice identifies Chapters 1 through 4 of the National Electrical Code (NEC), which collectively establish a broad foundation for general electrical installations.

Chapter 1 typically covers the scope and purpose of the Code, ensuring that practitioners understand the objectives of safety and performance in electrical systems. Chapter 2 focuses on definitions and general installation requirements, providing clarity on terminology and expectations for safe practices. Chapter 3 addresses wiring methods and materials, outlining the specifications and standards necessary for effective installations, including cable types and conduit systems. Finally, Chapter 4 discusses special occupancies and conditions, which introduces additional considerations that may apply to specific types of installations.

By encompassing these four chapters, the selected answer reflects a comprehensive approach to understanding the general requirements applicable to a wide range of electrical installations, ensuring that practitioners are informed on essential safety practices and installation techniques.