General Requirements

 
All habitable, storage and mechanical locations require light. However, some require a fixed-wall or ceiling light, while others may have just a switched-lighting circuit to control table lamps, etc.

The inspector should also be aware of the concept of the "lit path."  One should be able to walk into any home in the dark and be able to go from one room to the next in a lighted path, switching each light off behind as s/he leaves a hall or room.

This is for obvious safety reasons, and, as home inspectors are normally inspecting homes in the daylight, checking for safe light is often forgotten.

Fixed Lighting

 
Many locations are required to have fixed luminaires (lights).  These include: