Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Furnishings (hierarchy name)
5. furnishings (works)
6. [furnishings by form or function]
7. lighting devices
8. [lighting devices by form]
9. lamps (lighting devices)
10. [lamps by design]

Narrower term/s

• troffers

Anotations

Scope note:

Electrical lighting fixtures designed so that the bulb housing and electrical supply may be inserted into a flat surface such as a ceiling or wall, the opening for the light source being flush with the surface.