Specification

ES8P 2'x4' NY Premium High-Performance T8 Lighting
DIMENSIONS
2ES8P-2x4-NY
FLUORESCENT: One Lithonia Way Conyers, GA 30012 Phone: [phone] Fax: [phone] www.lithonia.com © 2008-2012 Acuity Brands Lighting, Inc. All rights reserved. Rev. 09/17/2012
MOUNTING DATA
ENERGY AND LIGHT LEVEL COMPARISON
System Light level Input watts Watts/SF Watts saved % Savings
$ Savings
per year LER
Parabolic, (3) 2800 lumen T8 lamps .88 ballast factor 69 85 1.06 Base Base Base 65
ES8P, (2) 3100 lumen T8 lamps, .78 ballast factor 52 48 0.60 37 44% $11.84 86
Light level in footcandles is calculated based on 8x10 mounting centers 9 foot ceilings, 60 x 60 room, 80/50/20 reectances, .95 LLD, .90 LDD, horizontal light level on 2.5 foot workplane height.
Annual savings based on 4000 operating hours, $.08/kwh. Luminaire Ecacy Rating (LER) is xture lumen output divided by xture input wattage.
PHOTOMETRICS
All dimensions are inches (centimeters) unless otherwise indicated.
Specications subject to change without notice.
2ES8P 232, 3100 lumens per lamp, test no. LTL 16106
Notes
For hard-ceiling applications, order a drywall grid adaptor (DGA 2x4) as an accessory.
24”
(60.9)
3-11/16” (9.4)
0° 20°
40°
60°
80°
90°
0°0°0° 90°
180°
300
600
900
1200
1500
1800
Coefficients of Utilization
pf 20%
pc 80%70% 50%
pw 70%50%30% 50%30%10%50%30%10%
102
94
85
78
71
65
60
56
52
48
45
102
90
78
69
61
54
49
44
40
37
34
102
86
73
62
54
47
41
37
33
30
27
99
88
77
68
60
53
48
44
40
36
34
99
85
72
61
53
46
41
36
33
30
27
99
82
67
56
48
41
36
31
28
25
23
95
84
74
65
58
52
47
42
39
35
33
95
82
69
60
52
45
40
36
32
29
27
95
79
66
55
47
41
35
31
28
25
23
RCR
0
1
2
3
4
5
6
7
8
9
10
Zonal Lumen Summary
Zone Lumens % Lamp % Fixture
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1441
2389
4375
5304
0
5304
23.2
38.5
70.6
85.6
0.0
85.6
27.2
45.0
82.5
100.0
0.0
100.0
Efficiency: 85.6%
CP Summary
0° 90
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
1850
1833
1733
1581
1371
1119
827
522
233
56
0
1850
1831
1800
1761
1693
1606
1360
653
185
33
0