Gotham 8 CTH SpecSheet
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Surface Downlights
8” CTH
Enclosed Wet Location Cylinder
T4/T6 Ceramic Metal Halide,
6” Aperture
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Self-flanged, semi-specular or matte-diffuse anodized lower reflector. Optically
designed to provide 40° cutoff for optimal efficiency and glare control.
• Interchangeable upper reflectors provide narrow, medium and wide distributions. These preset distribution patterns allow designers to achieve various
design objectives.
• 1/8” thick softening lens eliminates beam striations and ensures maximum
efficiency. Provides required protective shielding.
• Optical system retained by self-aligning torsion support springs.
HOUSING
• Heavy gauge, aluminum housing with top deck for clean appearance. Provided
with safety chain on ceiling and pendant units allowing hands-free wiring
connections. Matte white textured polyester powder paint finish standard.
MOUNTING
• Ceiling mount provided with mounting pattern for direct installation to 3-1/4”
and 4” octagonal or 4” square junction box.
EXAMPLE: CTH8 T6 70MHC 6AR N MVOLT DWHG
• Wall mount provided with mounting pattern for direct installation to 4” square
or octagonal junction box.
• Pendant mount entry provided for 3/8” National Pipe Thread stem. Additional
pendant options available (see accessories). Wires supplied by others.
ELECTRICAL SYSTEM
• G12 (T6) or G8.5 (T4) base ceramic socket.
• Pre-wired, electronic, 120 or 277V ballast module is standard.
• 3000 K lamp ships standard.
LISTING
• Fixtures are listed and labeled to comply with US and Canadian standards. Wall
mount suitable for wet locations. Ceiling and pendant mount suitable for wet
locations in covered ceiling installations only.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series Lamp type Lamp wattage Aperture/Trim color Distribution Finish Voltage Mounting
CTH8 T4
39MHC
T6
70MHC
6AR Clear
6PR Pewter
6WTR Wheat
N
Narrow
M Medium
W Wide
6WR White
(blank) Semi-specular
LD Matte-diffuse
MVOLT
120
277
347
FCM Ceiling mount
WM Wall mount
2
PM
1
Pendant 3/8” thread mount
6BR Black
Options
3
SF
QRS
QRSTD
EC
Single fuse
4
Quartz restrike system
4
QRS with time delay
5
Emergency circuit
L/LP Less lamp
Architectural Colors - Powder Paint
DWHG Matte white (standard)
DDB
Dark bronze
DBL Black
DWH Gloss white
DMB Medium bronze
6
DNA
Natural aluminum
DSS Sandstone
DGC Charcoal grey
DTG Tennis green
DBR Bright red
DSB Steel blue
ACCESSORIES order as separate catalog numbers (shipped separately)
7
CYS
CRS
3/8” stem and canopy with 5° “hang straight” swivel
7
3/8” stem and canopy with 45° swivel
ORDERING NOTES
1. Wires supplied by others .
2. Stem not included.
3. Must specify 120 or 277V.
4. Not available with EC.
5. Not available with QRS or QRSTD.
CTH-8-LENSED
PAGE 1 OF 4
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 12/02/13. Specifications subject to change without notice.
6. Additional architectural colors available; see www.lithonia.com/archcolors.
7. Color and length of stem must be specified (from 6” to 240” in even increments in maximum sections of 48”). Ex.: CYS06 DWHG. Ceiling attachment for
interior use. Consult factory for exterior use. Wire not included.
8” CTH
Aperture:6
(15.8)
Housing
(19.4)
Housing Height: 17-3/8 (44.1)
C: 7-5/8 (19.4)
Wall Mount Bracket
holes
(8.6)
Enclosed Wet Location Cylinder
T4/T6 Ceramic Metal Halide, 6” Aperture
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
A
3-3/8
(8.6)
B
3-3/8
CTH8 WM
Clearance
for 3/8" (.95)
anchors
C
Diameter: 7-5/8
-1/4
A: 8-1/8 (20.7)
B: 17-3/8 (44.1)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 12/02/13. Specifications subject to change without notice.
CTH-8-LENSED
PAGE 2 OF 4
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