Final answer:
In a residential occupancy, the luminaire located in every habitable room must always be controlled by a wall switch.
Step-by-step explanation:
In a residential occupancy, the luminaire located in every habitable room must always be controlled by a wall switch. The term 'habitable room' refers to a room that is used for living, sleeping, eating, or cooking purposes. Examples of habitable rooms include bedrooms, living rooms, and kitchens.