Design criteria for lighting interior living spaces
Illuminating Engineering Society of North America, Dec 1, 1980 - Architecture - 51 pages
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30 percent 50 footcandles angle ballast brightness bulb candelas per square Ceiling-mounted chroma circuit critical daylight decorative Deluxe diffusing dimmer dimming direct light downlights effect energy eye level Figure Fluorescent lamps footlamberts glare illuminance levels important Incandescent filament lamp incandescent lamps interior living spaces kitchen light output light source lighting equipment lighting system line of sight linear llluminance recommendations maintained lumens lumi luminance ratios luminous flux luminous intensity mercury lamp minaires mirror mounted luminaires naires nance object color Pendant portable lamps power budget range reading Recessed REFLECTOR room lighting room surfaces selection shade shadows shielding soffits Special design considerations spectral specular specular reflections speed and accuracy square meter Structural lighting surface-mounted switch table lamps table tennis task area tion Typical equipment locations Typical techniques usually veiling reflections visible visual field voltage wall brackets Wall-mounted wattage weighting factor window