Which chapter of the NEC includes tables applicable as referenced?

The choice of Chapter 9 in the National Electrical Code (NEC) is correct because this chapter is specifically dedicated to supplementary tables and information that provide critical data needed for proper implementation of the code requirements. It includes tables that deal with various aspects such as conductor properties, conduit fill calculations, and other essential electrical standards.

These tables are referenced throughout the NEC and are essential for anyone working with electrical design and installation. They help ensure that electrical systems are designed safely and efficiently, adhering to prescribed guidelines and technical standards.

In contrast, the other chapters focus on different aspects of the code: Chapter 3 addresses general requirements for wiring methods and the materials used, Chapter 5 emphasizes special occupancies, and Chapter 7 discusses special conditions. While these chapters may reference pieces of data or calculations, Chapter 9 is singularly focused on providing the tables needed for clear and accurate application of code specifications.