Installation Guide
General Purpose T8 Troer
GT8 2'X2'
COMPACT FLUORESCENT,
STRAIGHT AND U LAMPS
2, 3 or 4 Lamps
CF or T8 only
Notes
1 4-lamp models available with 17-watt straight tubes only.
2 Not available on 3-lamp models. Use U31.
3 Available with ush door frames only.
4 MVOLT standard for 120-277V applications, 50-60 hz
operation. Some options require voltage specied.
5 Not available with compact uorescent lamps – use
GEB10RS.
6 Must specify voltage 120 or 277.
Specications
Length: 24 (61.0)
Width: 24 (61.0)
Depth: 3-1/4 (8.2)
Weight: 19 lbs (8.6 kg)
FEATURES & SPECIFICATIONS
INTENDED USE — Low-prole static luminaire provides general illumination for recessed applications;
ideal for restricted plenum spaces. Certain airborne contaminants can diminish integrity of
acrylic. Click here for Acrylic Environmental Compatibility table for suitable uses.
Attributes: Designed exclusively for use with T8 lamps, electronic ballasts and sockets.
CONSTRUCTION — Smooth hemmed sides and smooth, inward formed end anges for safe handling.
Lighter weight xture allows for safe, easy installation.
Standard steel door frame has superior structural integrity with premium extruded appearance and
precision ush mitered corners. Steel door allows easy lens replacement without frame disassembly (for
lenses up to .156" think). Powder painted, steel latches provide easy, secure door closure.
Superior mechanical light seal requires no foam gasketing. Integral T-bar clips secure xture to T-bar
system. Housing formed from cold-rolled steel. Acrylic shielding material 100% UV stabilized. No
asbestos is used in this product.
Finish: Five-stage iron-phosphate pretreatment ensures superior paint adhesion and rust resistance.
Painted parts nished with high-gloss, baked white enamel.
ELECTRICAL — Standard ballast is electronic, thermally protected, resetting, Class P, HPF, non-PCB, UL
Listed, CSA certied ballast, universal voltage and sound rated A.
Luminaire is suitable for damp locations. AWM, TFN or THHN wire used throughout, rated for required
temperatures.
LISTINGS — UL Listed (standard). CSA Certied or NOM Certied (see Options).
WARRANTY — 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
US patents: 6,210,025; 6,231,213; 2,288,471.
Note: Actual performance may dier as a result of end-user environment and application.
Specications subject to change without notice.
2GT8
Series Trim type
Number of
lamps
1
Lamp type Door frame Diuser type Voltage
2GT8 2' wide (blank) Grid
F Overlapping
anged
2
3
4
Not
included
17 17W T8 (24")
U31 31W T8 (24")
U316 32W T8 U
(6" leg, 24")
2
CF40 40W TT5 (24")
2
(blank) Flush steel, white
FN Flush aluminum,
natural
FM Flush aluminum,
matte black
FW Flush aluminum,
white
RN Regressed aluminum,
natural
RM Regressed aluminum,
matte black
RW Regressed aluminum,
white
A12 #12 pattern acrylic
A12125 #12 pattern acrylic, .125" thick
A19 #19 pattern acrylic, .156" thick
A15 #15 pattern acrylic, .2" thick
PC1S 1/2" x 1/2" x 1/2" plastic cube
louver, silver
PC2S 1-1/2" x 1-1/2" x 1" plastic
cube louver, silver w/ ange
3
PC3S 3/4" x 3/4" x 1/2" plastic cube
louver, silver
120
277
347
MVOLT
4
Others available
ORDERING INFORMATION
For shortest lead times, congure products using bolded options.
Example: 2GT8 2 U316 A12 MVOLT GEB10IS
FLUORESCENT GT8-2X2
3-1/
4
(8.2
)
24
(61.0)
All dimensions are inches (centimeters) unless otherwise indicated.
Catalog
Number
Notes
Type
Options
1/4 One 4-lamp ballast
1/3 One 3-lamp ballast
GEB10IS Electronic ballast, <10% THD, instant start
GEB10RS Electronic ballast, <10% THD, rapid start
GEB10PS Electronic ballast, <10% THD, programmed start
5
EL 500 nominal lumen battery pack (Noncompliant with CA T20)
EL14 T20C 1400 nominal lumen battery pack, Certied in CA Title 20 MAEDBS
GLR Internal fast-blow fuse
6
GMF Internal slow-blow fuse
6
LST Tandem-wired xture pairs (shared ballasts)
PWS1836 6' prewire, 3/8" dia., 18-gauge, 1 circuit
LP_ Lamped, specify lamp type and color
JP Palletized and stretch-wrapped without individual cartons; grid trim only
CSA CSA Certied
NOM NOM Certied