Lightolier 4073U Page 3 of, Application Data, Spacing Ratio =, Coefficients Of Utilization, Plane

Specification Decorative Pendalyte™  4073U

Page 3 of 4

Application Data

Multiple Units (32W Triple Tube CFL)
Spacing	Height	Initial	Watts
on	to Lighted	Foot-	Per
Center	Plane	candles	Sq. Ft.
6'	6'	64	1.00
	12'	55
8'	6'	36	0.56
	12'	31
10'	6'	23	0.36
	12'	20

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 = 2.8 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

16" Pendant

Illuminance (FC) Multipliers

	For Compact	For Metal
For Incandescent:	Fluorescent:	Halide:
100 Watt = 0.7	26 Watt = 0.7	100 Watt = 3.5
150 Watt = 1.2	42 Watt = 1.3	150 Watt = 5.2

Spacing Ratio = 2.6 150W ED17 MH

Coefficients Of Utilization														150W 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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