The National Electrical Code (NEC) establishes a specific meaning for an inhabitable space intended as a residence. This definition encompasses a single unit providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation. A single-family home, an apartment within a larger building, or even a manufactured home are all examples meeting this criteria, provided they contain all the aforementioned facilities.
Understanding the precise meaning is paramount for ensuring electrical safety compliance. It dictates which NEC regulations apply to the electrical installations within a residential structure. Adherence to these rules protects occupants from electrical hazards such as shock and fire, and ensures a standardized and reliable electrical system. Historically, unclear interpretations led to inconsistent application of safety standards, underscoring the need for a clearly defined scope.