Lightolier 8081 Aperture Triple Tube Horizontal Lamp, Page 2 of, from Wall-4On Center, Type

	Calculite® CFL Open Wall Washer  8081
Page 2 of 2	6" Aperture Triple Tube Horizontal Lamp

Footcandles On Wall: Multiple 32W Units

	5'
3'	5'
	3'
18 f.c.
16 f.c.
2' from Wall-2' On Center	2' from Wall-3' On Center
2'	3'

EXAMPLE: With multiple clear reflector units located 3' from wall and spaced 5' on center (matching downlights 5' on center), the illumina- tion on the wall 3' down from ceiling will be 18 f.c. beneath units and 16 f.c. between units.

Footcandle values are averaged and rounded off and are based on a minimum of five units.

Conversion Factor: 26W: (Clear), f.c. x 0.8.

2' from Wall-4' On Center

4'

Feet	1	48	46	48
	2	68	62	68
in	3	50	51	50
Ceiling	4	37	37	37
	5	27	28	27
From	6	21	21	21
Distance	7	16	16	16
	8	13	13	13
	9	11	11	11

3' from Wall-3' On Center

3'

Feet	1	38	26	38
	2	42	42	42
in	3	34	35	34
Ceiling	4	25	26	25
	5	20	20	20
From	6	15	16	15
Distance	7	13	13	13
	8	11	11	10
	9	9	9	9

3' from Wall-4' On Center

4'

Feet	1	35	14	35
	2	37	24	37
in	3	24	27	24
Ceiling	4	19	20	19
	5	15	15	15
From	6	12	12	12
Distance	7	10	10	10
	8	8	8	8
	9	8	8	8
3' from Wall-5' On Center					3' from Wall-6' On Center
			5'			6'

Distance From Ceiling in Feet

1	16	15	16
2	25	24	25
3	27	29	17
4	25	26	25
5	21	22	21
6	18	18	18
7	15	15	15
8	13	13	13
9	11	11	11

Distance From Ceiling in Feet

1	13	10	13
2	20	17	20
3	21	22	21
4	19	20	19
5	16	17	16
6	13	14	13
7	12	12	12
8	10	10	10
9	9	9	9

Distance From Ceiling in Feet

1	12	7		12
2	10	12		10
3
	18		16		18
4	15	16		15
5	13	14		13
6	11	11		11
7	9	10		9
8	8	8		8
9	7	7		7

Distance From Ceiling in Feet

1	12	5	12
2	10	9	10
3	17	11	17
4	13	14	13
5	10	12	10
6	9	10	9
7	8	8	8
8	7	7	7
9	6	6	6

Candlepower Distribution	Down Light Spacing Ration 1.0
Downlight Side		Wall Washer Side
90ϒ		90ϒ
60ϒ	300	60ϒ
	600
30ϒ	0ϒ	30ϒ

Coefficients Of Utilization

				% EFFECTIVE CEILING CAVITY REFLECTANCE
			80			70			50			30			10		0
						% WALL REFLECTANCE
		50	30	10	50	30	10	50	30	10	50	30	10	50	30	10	0
	1	.69	.68	.66	.68	.66	.65	.65	.64	.63	.63	.62	.61	.61	.60	.59	.58
RATIO	2	.63	.60	.58	.62	.59	.57	.60	.58	.56	.58	.56	.54	.56	.55	.53	.52
	3	.58	.54	.51	.57	.53	.50	.55	.52	.49	.53	.51	.49	.52	.50	.48	.47
CAVITY	4	.53	.48	.45	.52	.48	.45	.50	.47	.44	.49	.46	.44	.48	.45	.43	.42
	6	.44	.39	.36	.43	.39	.35	.42	.38	.35	.41	.38	.35	.40	.37	.35	.34
	5	.48	.43	.40	.47	.43	.40	.46	.42	.39	.45	.42	.39	.44	.41	.39	.38
ROOM	7	.40	.35	.32	.39	.35	.31	.38	.34	.31	.37	.34	.31	.37	.33	.31	.30
	8	.36	.31	.28	.35	.31	.28	.35	.31	.28	.34	.30	.28	.33	.30	.27	.26
	9	.33	.28	.25	.32	.28	.25	.32	.27	.25	.31	.27	.24	.30	.27	.24	.23
	10	.30	.25	.22	.29	.25	.22	.29	.25	.22	.28	.24	.22	.28	.24	.21	.20

20% FLOOR CAVITY REFLECTANCE For 26W units multiply C.U. by 1.0.

Job Information Type:

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