Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
8” LG
Round Lens
Wet Location
Vertical A21 or A23 Lamp
FEATURES
OPTICAL SYSTEM
•
Aluminum upper reflector coated with highly reflective white paint provides high
efficiency and an evenly illuminated aperture appearance.
•
Available with tempered prismatic lens (T73), flat Fresnel lens (FFL) or flat opal
lens (FOL).
•
Regressed white door (RW) or stepped black baffle (SB) are available with white
painted flange provided.
•
Door is retained by self-aligning, torsion support springs, preventing gaps
between door and ceiling.
MECHANICAL SYSTEM
•
16-gauge galvanized steel mounting/plaster frame with integral brackets to
retain optical system. Maximum 1-1/2” ceiling thickness.
•
16-gauge galvanized steel mounting bars with continuous 4” vertical adjustment are shipped pre-installed. Post installation adjustment possible without
the use of tools from above or below ceiling.
•
Galvanized steel junction box with hinged access covers and spring latch. Two
combination 1/2”-3/4” and two 1/2” knockouts for straight-through conduit
runs. Capacity: 8 (4 in, 4 out) No. 12 AWG conductors rated for 90°C.
ELECTRICAL SYSTEM
•
Die-cast aluminum lampholder housing.
•
Medium-base porcelain socket with nickel-plated screw shell.
•
Thermally-activated insulation detector.
LISTING
•
Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and wet
locations. Listed and labeled to comply with Canadian standards.
WARRANTY
•
1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
ORDERING INFORMATION
EXAMPLE: LG 8RW T73
Series1
Door frame
Lens type
Options
LG
8RW
8SB
T73
FFL
FOL
CP
TRDA2
RRL3
Regressed white door
Stepped black baffle
Tempered prismatic lens
Flat fresnel lens
Flat opal lens
SDT
SDT347
GSKT
SF
Chicago plenum
Tamper resistant door assembly
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above
ceiling required.
277 step-down transformer (277V to 120V)
347 step-down transformer (347V to 120V; 75W max.)
Foam gasketing ships uninstalled
Single fuse
ACCESSORIES order as separate catalog numbers (shipped separately)
SCA8
Sloped ceiling adapter. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA8 10D.
NOTES
ORDERING NOTES
1.
2.
3.
Maximum wattage: 150W A21; 200W A23 lamp.
Uses Torx T20 rejection pin drive system. You may order RK1 T20DRV U Torx driver accessory.
For compatible RELOC systems, refer to TECH-110.
LG-8-Round-Lens
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 1 OF 3
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
8” LG
Round Lens
Wet Location, Vertical A21 or A23 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
10-1/4
(26.0)
15-7/8
(40.3)
13-7/8
(35.2)
Aperture:
Ceiling Opening:
Overlap Trim:
7-7/8 (20.1)
8-7/8 (22.5)
9-1/4 (27.5)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
LG-8-Round-Lens
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
PAGE 2 OF 3
8” LG
Round Lens
Wet Location, Vertical A21 or A23 Lamp
PHOTOMETRY
Distribution Curve
Distribution Data
LG 8RW T73
Output Data
Coefficient of Utilization
200W A23 LAMP, 1.2 S/MH, 3800 RATED LUMENS, TEST NO. LTL14201
90°
80°
200
70°
400
60°
600
50°
800
40°
1000
0°
10°
0
20°
30°
LG 8RW FFL
F rom 0°
Ave
0
1158
5
1152
15
1073
25
990
35
837
45
504
55
238
65
112
75
44
85
11
90
0
Lumens
109
303
456
515
389
218
113
49
12
Zone Lumens
0° - 30° 867.8
0° - 40° 1382.6
0° - 60° 1989.7
0° - 90° 2163.2
90° - 180° 0.0
0° - 180° 2163.2
*E fficiency
% Lamp
22.8
36.4
52.4
56.9
0.0
*56.9
80°
200
70°
400
60°
600
50°
800
40°
1000
10°
0
20°
pf
pc
pw
1
2
3
4
5
6
7
8
9
10
80%
50% 30%
.61 .59
.55 .52
.50 .46
.45 .41
.41 .36
.37 .33
.34 .30
.31 .27
.29 .25
.27 .23
20%
70%
50% 30%
.60 .58
.54 .51
.49 .45
.44 .40
.40 .36
.37 .33
.34 .30
.31 .27
.29 .25
.27 .23
50% beam angle 10% beam angle
50%
62.0°
96.9°
50% 30%
fc at
fc at
Inital fc
.58 .56
beam
beam
B eam
Mount at beam B eam
.52 .50
height center diameter edge diameter edge
.47 .44
3.8
12.4
19.1
6.6
38.3
8
.43 .39
2.1
16.9
10.3
9.0
20.6
10
.39 .35
1.3
21.4
6.4
11.4
12.8
12
.36 .32
0.9
25.9
4.4
13.8
8.8
14
.33 .29
0.6
30.4
3.2
16.2
6.4
16
.30 .27
.28 .24
.26 .23
200W A23 LAMP, 1.3 S/MH, 3800 RATED LUMENS, TEST NO. LTL14202
90°
1200
0°
Illuminance: Single Luminaire 30” Above Floor
30°
F rom 0°
Ave
0
1166
5
1170
15
1253
25
1208
35
864
45
432
55
249
65
127
75
46
85
11
90
0
Lumens
113
354
549
532
343
224
127
51
13
Zone Lumens
0° - 30° 1016.2
0° - 40° 1548.0
0° - 60° 2114.8
0° - 90° 2305.9
90° - 180° 0.0
0° - 180° 2305.9
*E fficiency
% Lamp
26.7
40.7
55.7
60.7
0.0
*60.7
pf
pc
pw
1
2
3
4
5
6
7
8
9
10
80%
50% 30%
.65 .63
.59 .56
.53 .49
.48 .44
.44 .39
.40 .36
.37 .32
.34 .30
.32 .27
.29 .25
20%
70%
50% 30%
.64 .62
.58 .55
.52 .49
.47 .43
.43 .39
.40 .35
.37 .32
.34 .29
.31 .27
.29 .25
50% beam angle 10% beam angle
50%
65.3°
94.8°
50% 30%
fc at
fc at
Inital fc
.61 .60
beam
beam
B eam
Mount at beam B eam
.56 .53
height center diameter edge diameter edge
.51 .47
3.9
12.0
19.3
7.0
38.5
8
.46 .42
2.1
16.3
10.4
9.6
20.7
10
.42 .38
1.3
20.7
6.5
12.2
12.9
12
.39 .35
0.9
25.0
4.4
14.7
8.8
14
.36 .32
0.6
29.3
3.2
17.3
6.4
16
.33 .29
.31 .27
.29 .25
PHOTOMETRY NOTES
•
•
•
Tested to current IES and NEMA standards under stabilized laboratory conditions.
Actual performance may differ as a result of end-user environment and application.
Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
LG-8-Round-Lens
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 3 OF 3
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.