What does the National Electrical Code (NEC) establish?

The National Electrical Code (NEC) is a comprehensive set of guidelines and standards designed to ensure the safe installation of electrical wiring and equipment in the United States. Its primary purpose is to protect people and property from electrical hazards, including shocks and fires. The NEC incorporates best practices, safety principles, and practical regulations aiming at maintaining a high level of safety in electrical installations.

This option reflects the core mission of the NEC, which is to set forth regulations that must be followed during electrical installations. Compliance with these regulations is mandatory, and they cover various aspects, including grounding, circuit protection, and the proper installation of electrical devices.

While the code does address design standards and best practices indirectly—such as through specific installation requirements—its primary focus is on establishing regulations that ensure safety. It does not specifically address power consumption limitations or provide a color-coding system for wires, as these topics might be governed by different regulations or standards outside the scope of the NEC.