Page 1
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
8” LGZ
Round Lens
Wet Location
Horizontal A19 or A21 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 yoke 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: LGZ 8RW T73
ELECTRICAL SYSTEM
• Galvanized steel 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
LGZ 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: 100W A19; 150W A21 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.
LGZ-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.
Page 2
8” LGZ
Overlap Trim: 9-1/4 (23.5)
Round Lens
Wet Location, Horizontal A19 or A21 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
15-7/8
(40.3)
7-7/8
(20.1)
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.
LGZ-8-ROUND-LENS
PAGE 2 OF 3
Page 3
8” LGZ
90°
100
200
300
400
500
600
700
90°
Average
1000
Round Lens
Wet Location, Horizontal A19 or A21 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LGZ 8RW T73
0° 10° 20° 30°
Average
LGZ 8RW FFL
200
400
600
800
0° 10° 20° 30°
80°
70°
60°
50°
40°
80°
70°
60°
50°
40°
150W A21 LAMP, 1.1 S/MH, 2850 RATED LUMENS, TEST NO. LTL14175
From 0° AveLumens
0
702
5
701
672
577
401
228
109
53
21
67
188
263
250
176
99
53
23
5
6
0
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
518.1
0° - 30°
768.2
0° - 40°
1043.9
0° - 60°
1126.1
0° - 90°
90° - 180°
0° - 180°
0.0
1126.1
*E fficiency
*39.5
18.2
27.0
36.6
39.5
0.0
pf
pc
80%70% 50%
pw
50%30% 50%30% 50%30%
1
.43
.41
2
.39
.36
3
.35
.32
4
.32
.29
5
.29
.26
6
.27
.24
7
.25
.22
8
.23
.20
9
.21
.20
.18
.17
10
150W A21 LAMP, 0.9 S/MH, 2850 RATED LUMENS, TEST NO. LTL14176
From 0° AveLumens
0
1019
5
1009
909
651
344
181
118
61
22
95
253
296
216
142
106
61
24
5
6
0
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
643.9
0° - 30°
860.2
0° - 40°
1107.7
0° - 60°
1198.1
0° - 90°
90° - 180°
0° - 180°
0.0
1198.1
*42.0
*E fficiency
22.6
30.2
38.9
42.0
0.0
pf
pc
80%70% 50%
pw
50%30% 50%30% 50%30%
1
.46
2
.41
3
.38
4
.35
5
.32
6
.29
7
.27
8
.25
9
.24
10
.22
.44
.39
.35
.32
.29
.26
.24
.23
.21
.20
.42
.38
.34
.31
.29
.26
.24
.23
.21
.20
.45
.41
.37
.34
.31
.29
.27
.25
.24
.22
20%
20%
.41
.36
.32
.29
.26
.24
.22
.20
.18
.17
.43
.39
.35
.31
.29
.26
.24
.22
.21
.20
.40
.36
.33
.30
.28
.26
.24
.22
.21
.19
.43
.39
.36
.33
.31
.28
.26
.25
.23
.22
.39
.35
.31
.28
.25
.23
.21
.20
.18
.17
.42
.38
.34
.31
.28
.26
.24
.22
.21
.19
Mount
height
8
10
12
14
16
Mount
height
10
12
14
16
8
Inital fc
at be am
center
23.2
12.5
7.8
5.3
3.9
Inital fc
at be am
center
33.7
18.1
11.3
7.7
5.6
50% be am angle
57.4°
fc at
beam
Beam
6.0
8.2
10.4
12.6
14.8
edge
11.6
6.2
3.9
2.7
1.9
diameter
50% be am angle
48.7°
fc at
beam
Beam
5.0
6.8
8.6
10.4
12.2
edge
16.8
9.1
5.6
3.9
2.8
diameter
10% be am angle
92.2°
fc at
beam
Beam
11.4
15.6
19.8
23.9
28.1
edge
2.3
1.2
0.8
0.5
0.4
diameter
10% be am angle
80.8°
fc at
beam
Beam
9.4
12.8
16.2
19.6
23.0
edge
3.4
1.8
1.1
0.8
0.6
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.
LGZ-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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