Interior Lighting for Designers

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 20MR11/SP15 (FTC) 12 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 65MR16/NFL25 12 65 4 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 50PAR30/H/FL40 120 5 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 50PAR36/H/NSP5 12 50 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 90PAR38/HIR/SP12XL 1 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes Q500PAR56/MFL 120 50 ...

ANSI Lamp Designation Design Volts Watts Design Life (Hrs.) Initial Candle- power Beam-Spread 50% 10% Notes 120BR40/SP20 120 120 ...

TABLE 3 FLUORESCENT LAMP DESIGNATIONS AND PROPERTIES Lamp Description Designation Impres- sion Light Output (%) Color Temper- at ...

TABLE 4 EFFICACY OF ELECTRIC LIGHT SOURCES Lamp Type Wattage Range Initial Lamp Efficacy (Lumens per watt) Color Temperature in ...

TABLE 5 COMPARATIVE LUMINANCE OF INCANDESCENT AND FLUORESCENT LAMPS (APPROXIMATE CANDELAS PER SQUARE INCH) Lamp Description Shap ...

Lamp Description Shape Characteristics Luminance (cd/sq in) 72" T8 (37.5 W) 5.0 96" T8 (50 W) 5.0 48" T12 (38.5 W) 5.0 72" T12 ( ...

TABLE 6 RELATIVE OUTPUT OF COLORED LAMPS Lamp Color Description Light Output (%) Lamp Color Description Light Output (%) Incande ...

TABLE 7 RELATIVE LAMP WATTS FOR APPROXIMATE EQUAL QUANTITY OF LIGHT Filament (clear color) 30 W Clear 60 W Pink 90 W Blue-white ...

TABLE 9 RECOMMENDED WIRE SIZE ANDSECONDARY WIRE LENGTH FOR LIGHTING CIRCUITS USING 120 V PRIMARY/12 V SECONDARY TRANSFORMERS Wir ...

TABLE 10 TRIGONOMETRIC FUNCTIONS: SINES AND COSINES OF ANGLES θ° sinθ cosθθ° sinθ cosθθ° sinθ cosθθ° sinθ cosθ 0 0.0000 1.000 22 ...

TABLE 11 LAMP LUMEN DEPRECIATION FACTORS Lamp Description Shape Nominal Wattage Lamp Lumen Depreciation (LLD) Factors Incandesce ...

Lamp Description Shape Nominal Wattage Lamp Lumen Depreciation (LLD) Factors Fluorescent, continued Compact, twin-tube T4 5 0.84 ...

TABLE 12 LUMINAIRE MAINTENANCE CATEGORIES PROCEDURE FOR DETERMINING LUMINAIRE MAINTENANCE CATEGORIES To assist in determining lu ...

Reprinted from theIES Lighting Handbook, 9th Ed.Used with permission from the Illuminating Engineering Society of North America. ...

TABLE 14 SAMPLE COEFFICIENT OF UTILIZATION TABLE Note:the coefficient of utilization values in this table are based on relative ...