Lightolier 40472U Page 3 of, Coefficients Of Utilization, Job Information Type, Watt =1.3

Specification Decorative Pendalyte™  40472U

Page 3 of 3

Application Data

Multiple Units (32W Triple Tube, CFL)
Spacing	Height	Initial	Watts
on	to Lighted	Foot-	Per
Center	Plane	candles	Sq. Ft.
6’	6’	62	1.00
	12’	53
8’	6’	35	0.56
	12’	30
10’	6’	22	0.36
	12’	19

Based on 60" x 60" room with 80% ceiling cavity, 50% wall and 20% floor reflec- tances. Height is from bottom of fixture to lighted plane.

Spacing Ratio = 3.3 32W Triple Tube CFL

Coefficients Of Utilization											32W Triple Tube CFL
					% EFFECTIVE CEILING CAVITY REFLECTANCE
		80			70				50			30			10		0
							% WALL REFLECTION
	50	30	10	50	30	10		50	30	10	50	30	10	50	30	10	0
ROOM CAVITY RATIO
						20% FLOOR CAVITY REFLECTANCE

				12" Pendant
Illuminance (FC) Multipliers
		For Compact		For Metal
For Incandescent:		Fluorescent:		Halide:
	100 Watt = 0.7	26	Watt = 0.7	70 Watt = 2.2
		42	Watt =1.3

Spacing Ratio = 3.7 70W ED17 MH

Coefficients Of Utilization														70W ED17 MH
					% EFFECTIVE CEILING CAVITY REFLECTANCE
		80			70				50			30				10		0
								% WALL REFLECTION
	50	30	10	50	30	10	50		30	10	50	30	10		50	30	10	0
ROOM CAVITY RATIO

20% FLOOR CAVITY REFLECTANCE

Job Information Type:

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