Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
8” LG
Round Lens
Wet Location
Vertical A21 or A23 Lamp
FEAT URES ORDERING INFORMATION NOTES
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.
EXAMPLE: LG 8RW T73
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
Series1Door frame Lens type Options
LG 8RW Regressed white door
8SB Stepped black baffle
T73 Tempered prismatic lens
FFL Flat fresnel lens
FOL Flat opal lens
CP Chicago plenum
2
TRDA
RRL
Tamper resistant door assembly
3
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above
ceiling required.
SDT 277 step-down transformer (277V to 120V)
SDT347 347 step-down transformer (347V to 120V; 75W max.)
GSKT Foam gasketing ships uninstalled
SF 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.
ORDERING NOTES
1. Maximum wattage: 150W A21; 200W A23 lamp.
2. Uses Torx T20 rejection pin drive system. You may order RK1 T20DRV U Torx driver accessory.
3. For compatible RELOC systems, refer to TECH-110.
LG-8-ROUND-LENS
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
8” LG
Overlap Trim: 9-1/4 (27.5)
Round Lens
Wet Location, Vertical A21 or A23 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
15-7/8
(40.3)
10-1/4
(26.0)
Aperture: 7-7/8 (20.1)
Ceiling Opening: 8-7/8 (22.5)
13-7/8
(35.2)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
LG-8-ROUND-LENS
PAGE 2 OF 3
8” LG
90°
100
1000
1200
Round Lens
Wet Location, Vertical A21 or A23 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LG 8RW T73
200
400
600
800
0
0° 10° 20° 30°
0
LG 8RW FFL
200
400
600
800
0° 10° 20° 30°
0
80°
70°
60°
50°
40°
90°
80°
70°
60°
50°
40°
200W A23 LAMP, 1.2 S/MH, 3800 RATED LUMENS, TEST NO. LTL14201
From 0° AveLumens
0
1158
5
1152
1073
990
837
504
238
112
44
11
109
303
456
515
389
218
113
49
12
0
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
867.8
0° - 30°
1382.6
0° - 40°
1989.7
0° - 60°
2163.2
0° - 90°
90° - 180°
0° - 180°
0.0
2163.2
*E fficiency
*56.9
22.8
36.4
52.4
56.9
0.0
pf
pc
80% 70% 50%
pw
50% 30% 50% 30% 50% 30%
1
.61
.55
.50
.45
.41
.37
.34
.31
.29
.27
.59
.52
.46
.41
.36
.33
.30
.27
.25
.23
2
3
4
5
6
7
8
9
10
200W A23 LAMP, 1.3 S/MH, 3800 RATED LUMENS, TEST NO. LTL14202
From 0° AveLumens
0
1166
5
1170
1253
1208
864
432
249
127
46
11
0
113
354
549
532
343
224
127
51
13
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
1016.2
0° - 30°
1548.0
0° - 40°
2114.8
0° - 60°
2305.9
0° - 90°
90° - 180°
0° - 180°
0.0
2305.9
*E fficiency
*60.7
26.7
40.7
55.7
60.7
0.0
pf
pc
80%70% 50%
pw
50%30% 50%30% 50%30%
.65
1
2
3
4
5
6
7
8
9
10
.59
.53
.48
.44
.40
.37
.34
.32
.29
.63
.56
.49
.44
.39
.36
.32
.30
.27
.25
.60
.54
.49
.44
.40
.37
.34
.31
.29
.27
.64
.58
.52
.47
.43
.40
.37
.34
.31
.29
20%
20%
.58
.51
.45
.40
.36
.33
.30
.27
.25
.23
.62
.55
.49
.43
.39
.35
.32
.29
.27
.25
.58
.52
.47
.43
.39
.36
.33
.30
.28
.26
.61
.56
.51
.46
.42
.39
.36
.33
.31
.29
.56
.50
.44
.39
.35
.32
.29
.27
.24
.23
.60
.53
.47
.42
.38
.35
.32
.29
.27
.25
Mount
height
8
10
12
14
16
Mount
height
8
10
12
14
16
Inital fc
at be am
center
38.3
20.6
12.8
8.8
6.4
Inital fc
at be am
center
38.5
20.7
12.9
8.8
6.4
50% be am angle
62.0°
fc at
beam
Beam
6.6
9.0
11.4
13.8
16.2
Beam
7.0
9.6
12.2
14.7
17.3
65.3°
edge
19.1
10.3
6.4
4.4
3.2
fc at
beam
edge
19.3
10.4
6.5
4.4
3.2
diameter
50% be am angle
diameter
10% be am angle
96.9°
fc at
beam
Beam
12.4
16.9
21.4
25.9
30.4
Beam
12.0
16.3
20.7
25.0
29.3
94.8°
edge
3.8
2.1
1.3
0.9
0.6
fc at
beam
edge
3.9
2.1
1.3
0.9
0.6
diameter
10% be am angle
diameter
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
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
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