Specification

MOUNTING DATA
Continuous row mounting of flanged units requires CRE and CRM trim options (see Options).
SP8 2' x 2' Static T8 Troffer
PHOTOMETRICS
Calculated using the zonal cavity method in accordance with IESNA LM41 procedure. Floor reflectances are 20%. Lamp configurations shown are typical. Full photometric data on these and other configurations
available upon request.
DIMENSIONS
All dimensions are inches (centimeters) unless otherwise indicated. Specifications subject to change without notice.
Notes
1 Recommended rough-in dimensions for F-trim fixtures: 24" x 24" (Tolerance is +1/4" or -0"). Swing-gate range
1-3/16" to 3-15/16". Swing-gate span 23-3/8" to 26-11/16". Fixture swing-gate points require additional 9/16"
over nominal fixture height.
SP8-2X2
FLUORESCENT: One Lithonia Way Conyers, GA 30012 Phone: [phone] Fax: [phone] www.lithonia.com © 1999-2016 Acuity Brands Lighting, Inc. All rights reserved. Rev. 03/22/16
7-7/8
(20.0)
24
(61.0)
3-11/1
6
(9.4)
12-1/4
(31.1)
24
(61.0)
3-11/1
6
(9.4)
4/14
(10.8)
24
(61.0)
3-11/1
6
(9.4)
6-1/8
(15.6)
2SP8 2U31 A12*
Report LTL 7547
Lumens per lamp - 2800 – Lum. eff. - 75.4%
S/MH (along) 1.2 (across) 1.4
Coefficient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 90 90 90 88 88 88 84 84 84
1 83 80 77 81 78 75 75 73 71
2 76 71 66 74 69 65 67 63 60
3 70 63 57 68 62 57 60 55 51
4 65 56 50 63 55 50 54 49 45
5 60 51 44 58 50 44 48 43 39
6 55 46 40 54 45 39 44 39 35
7 52 42 36 50 41 35 40 35 31
8 48 38 32 47 38 32 37 32 28
9 45 35 29 44 35 29 34 29 25
10 42 33 27 41 32 27 32 27 23
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 1396 24.9 33.1
0-40 2302 41.1 54.5
0-60 3654 65.3 86.6
0-90 4220 75.4 100.0
90-180 0 0 0
0-180 4220 75.4 100.0
2SP8 2 U316 A12
Report LTL 8579
Lumens per lamp - 2600 – Lum. eff. - 72.8%
S/MH (along) 1.2 (across) 1.3
Coefficient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 87 87 87 85 85 85 81 81 81
1 80 77 74 78 75 73 72 70 68
2 73 68 63 72 67 62 64 61 58
3 68 61 55 66 59 54 57 53 49
4 62 54 48 61 53 48 52 47 43
5 58 49 43 56 48 42 47 42 38
6 53 44 38 52 44 38 42 37 33
7 50 40 34 49 40 34 39 34 30
8 46 37 31 45 37 31 36 31 27
9 43 34 28 42 34 28 33 28 24
10 41 32 26 40 31 26 31 26 22
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 1266 24.4 33.4
0-40 2059 39.6 54.4
0-60 3246 62.4 85.7
0-90 3787 72.8 100.0
90-180 0 0 0
0-180 3787 72.8 100.0
2SP8 2CF40 A12*
Report LTL 7538RP
Lumens per lamp - 3150 – Lum. eff. - 86.0%
S/MH (along) 1.2 (across) 1.4
Coefficient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
0 102 102 102 100 100 100 96 96 96
1 95 91 88 92 89 86 85 83 81
2 87 81 75 85 79 74 76 72 69
3 80 72 66 78 71 65 68 63 59
4 74 64 58 72 63 57 61 56 51
5 68 58 51 67 57 50 55 50 45
6 63 53 46 62 52 45 50 44 40
7 59 48 41 58 47 41 46 40 36
8 55 44 37 54 43 37 42 36 32
9 52 41 34 50 40 34 39 33 29
10 48 37 31 47 37 31 36 30 26
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 1811 28.7 33.4
0-40 2989 47.5 55.2
0-60 4700 74.6 86.8
0-90 5418 86.0 100.0
90-180 0 0 0
0-180 5418 86.0 100.0