What does the NEC chapter on wiring methods cover?

The chapter on wiring methods in the National Electrical Code (NEC) primarily focuses on the allowable types of wiring materials and installation techniques. This includes regulations regarding the types of conductors, cables, and raceways that can be used in various applications, ensuring that installations are safe, reliable, and suitable for their intended use. The NEC outlines specific methods for installation to prevent hazards such as overheating, electrical shock, and fire. By addressing these aspects, the NEC provides a framework for electricians and installers to follow, enhancing overall safety and efficiency in electrical systems.

While the other options touch on relevant electrical concepts, they do not align with the primary focus of the wiring methods chapter. For example, circuit breakers pertain to overcurrent protection, maintenance guidelines relate to the upkeep of installations rather than their initial creation, and safety protocols for testing circuits focus on verifying functionality and safety post-installation rather than methods of wiring itself.