LUMINAIRES


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LUMINAIRES
LUMINAIRES154. Purpose of luminaires. A luminaire is a device which directs, diffuses, or modifies the light given out by the illuminating source in such a manner as to make its use more economical, effective, and safe to the eye. The luminaire includes the reflector, lamp sockets, enclosing materials, ballasts in fluorescent and HID units, and stems and canopies where used. Since the light from a bare lamp is given off approximately equally in all directions, to use the light economically some accessory is required to direct the light to the desired areas. As most lamps have a high brightness, it is desirable in producing satisfactory illumination that the eye be shielded from the source in order to reduce direct glare. In many cases the appearance of the illuminating system is of great i…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. LUMINAIRES, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export