Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. furnishings components
7. lighting device components
8. light bulbs
9. electric lamps (lighting device components)
10. electric discharge lamps
11. high-intensity discharge lamps

Anotations

Scope note:

Lamps in which light is produced by an electric arc between two electrodes in a quartz bulb filled with xenon gas. They give off a constant high intensity light and are used in motion picture projection, flash photography, and serve as light sources in accelerated aging chambers.