TM
DESCRIPTION
S P E C I F I C AT I O N F E AT U R E S
Series 77 and 78 mean
architectural compatibility.
A logical and visual relationship
exists between the perimeter wall
through system and the center
through system when mounted in
the same space.
The Parabolic Baffle and the Bold
Baffle lamp shielding options are
varied in scale. The lighting is
continuous and unbroken, utilizing
one or two lamps staggered. Runs
are field adjusted. There are no
blank filler sections, visible joints,
mullions, or hardware. The trims
are heavy extruded aluminum,
rigid, straight and true with a 3/8"
regress soft lit edge.
Mounting
Shielding
Recessed.
Parabolic or bold baffle.
Lamps
Finish
(1) or (2) T8, 3' or 4'
(not by NEO-RAY).
Baked on low gloss white
powder coated polyester epoxy.
Ballast
Dimming
120 or 277 Volt, electronic.
Consult factory.
Housing
Emergency
20 ga. steel construction.
Consult factory.
Series 78/T8
DIRECT TROUGH
Recessed
8 23/32" [221mm]
8" [203mm]
9/16" [15mm]
7 11/16" [195mm]
1/4" [7mm]
9 1/4" [235mm]
CEILING OPENING
9 1/2" [242mm]
O R D E R I N G I N F O R M AT I O N
SAMPLE NUMBER: 78/2T8/S10/60FT/120
T8
78
Catalog Series
Number
Number of
Lamps
1
2
Lamp Type
T8
Shielding
S10=Deep Parabolic Baffle
S11=Aluminum Baffle
S72=White Bold Baffle
S79=Pearlescent Parabolic Baffle
Overall Nominal
Run Length
_ft.
Voltage
120V
277V
Options
DIM=Dimming
EM=Emergency
(Consult Factory)
STANDARD ILLUMINATED SECTIONS
1 LAMP FIXTURE
2', 3', 4', 6', 8' STANDARD
ILLUMINATED SECTION
END OF RUN
48" ADJUSTABLE ± 12"
2 LAMP FIXTURE
2', 3', 4', 6', 8' STANDARD
ILLUMINATED SECTION
COOPER LIGHTING
END OF RUN
48" ADJUSTABLE ± 12"
ADN000145
SERIES 78/T8
PHOTOMETRICS
180°
Coefficients Of Utilization
Effective floor cavity
rc
80%
rw 70 50 30 10
RCR
1 60 58 56 55
2 56 53 50 48
3 52 48 45 42
4 49 44 40 37
5 45 39 35 33
6 42 36 32 29
7 39 33 28 26
8 36 29 25 23
9 33 26 22 20
10 31 24 20 18
135°
90°
0°
45°
90°
0°
reflectance
50%
50 30
10
55
50
46
42
38
35
31
28
26
23
53
48
43
39
35
31
28
25
22
20
Zonal Lumen Summary
Zone
Lumens
Lamp%
0-30
2660
15.4
0-40
4304
33.6
0-60
6471
50.6
0-90
6829
53.4
90-180
0
0
0-180
6829
53.4
Total Luminaire Efficiency= 53.4%
45°
Report No. 4475.1 for Cat No. 77/2/S10/8'
L a m p t y p e : F 4 0 T 1 2 R S / W W, 3 2 0 0 l u m e n s
I.E.S. disk no. 77DRD2A.IES
Note: 8' section photometry
52
46
41
36
32
29
25
22
20
17
Candlepower
Vertical Angle
20%
30%
50 30 10
53
48
44
41
37
34
31
28
25
23
52
47
42
38
34
31
28
25
22
20
90
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
51
45
40
36
32
28
25
22
19
17
Fixt%
38.9
63.0
94.8
100.0
0
100.0
Horizontal Angle
0
45
3226
3227
3154
3079
2987
2782
2598
2350
2095
1687
1276
675
308
117
54
30
15
13
0
3226
3250
3254
3283
3275
3133
2949
2643
2319
1867
1423
882
479
224
88
52
41
36
0
3226
3275
3345
3423
3467
3272
2982
2780
2438
1714
1203
966
797
515
167
73
56
43
0
R U N S & PAT T E R N S
STANDARD ILLUMINATED
SECTIONS MITERED CORNERS ARE
INSTALLED CONTINUOUS AND
UNBROKEN, AND ARE FIELD ADJUSTED
12-1/16" INSIDE
MITERED CORNER
STANDARD
ILLUMINATED
SECTIONS
12 5/16" OUTSIDE
MITERED CORNER
FIELD CUT TO SUIT
SHIELDING
S10 Parabolic Baffle
2 1/2" high x 4" on center,
semi-specular aluminum.
S11 Bold Baffle
2" high x 2.4" on center,
3/16" thick aluminum
baffle. Continuous and
unbroken, no visible
joints.
S72 Bold Baffle
1" high x 1.2"o. c., 3/16"
thick aluminum baffle,
Continuous and
unbroken, no visible
joints.
S79 Parabolic Baffle
1 1/4" high blades, 2.4"
o.c., semi-specular lowbrightness Pearlescent
Aluminum baffle.
Continuous and
unbroken, no visible
joints.
90° Mitered Baffle
1 1/4" high x 1.2" on
center. S79 Parabolic
Baffle is shown. Also
typical for S72 Bold
Baffle.
TECHNICAL SUPPORT: (718) 456-7400
NOTE: Specifications and Dimensions subject to change without notice.
Visit our web site at www.cooperlighting.com
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770.486.4801
ADN000145