Lightolier 40471UDK Application Data, Plane, Spacing Ratio =, Illuminance FC Multipliers

Specification Decorative Pendalyte™  40471UDK

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Application Data

Multiple Units (32W Triple Tube, CFL)
Spacing	Height	Initial	Watts
on	to Lighted	Foot-	Per
Center	Plane	candles	Sq. Ft.
6’	6’	41	1.00
	12’	37
8’	6’	23	0.56
	12’	21
10’	6’	15	0.36
	12’	13

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

Spacing Ratio = 1.7 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

9" Deco Pendant

Illuminance (FC) Multipliers

For Incandescent:	For Compact Fluorescent:
100 Watt = 0.7	26 Watt = 0.7
150 Watt = 1.2	42 Watt = 1.3

Spacing Ratio = 1.9 150W A21 Incandescent

Coefficients Of Utilization											150W A21 Incandescent
				% 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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