Lightolier 7794QD Fascicule

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6 1 /2"
7  7/16" Dia.
7  3/4" Flush
1
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5
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7
8
9
3"
1-1/8" min. - 
1-7/8" max.
(Ceilin g Runner)
Overlap 8 1/2" 
4 1/4"
14 1/2"
11 1/2"
13"
Top View
Job Information
Type:
Job Name:
Cat. No.:
Lamp(s):
Notes:
Lightolier 
a Genlyte Thomas Company
www.lightolier.com
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2003 Genlyte Thomas Group LLC (Lightolier Division) • B0303
Features
1. Socket Cup: Die-formed steel effectively dissipates heat and assures lamps
maintain proper optical alignment to reflector. Contains medium base 
porcelain socket with nickel plated screw shell wired with No. 18 SF1 leads
to J-Box.
2. Mounting Brackets: Adjust vertically from inside of fixture. Durable 16 ga.
steel construction. Use with standard 3/4" or 1 1/2" lathing channels 
(by others), or Lightolier accessory mounting bars.
3. Retaining Springs: Torsiontite springs secure bezel reflector housing.
4. Reflector: Specular Alzak
®
aluminum, 16 ga., reflector housing can be
detached from inside of fixture for access to splices after installation.
5. Junction Box: 14 ga. steel, 4" x 3 1/2" x 2" box allows inspection from
below.
6. Thermal Protector: Meets NEC and UL requirements. Insulation must be
kept 3" away from fixture sides and wiring compartments and must not be
placed above fixture in a manner which will entrap heat.
7. Trim Frame: Die-cast aluminum suitable for dry or plaster ceilings. Flanges
for dry ceilings, reversible flangeless trim for use in plaster ceilings. Matte
white baked enamel finish.
8. Bezel: Die-cast aluminum bezel forms deep attractive conical aperture.
Matte white baked enamel finish. Includes black polyurethane foam gasket
to provide effective light and dust shield.
9. Lens: 6" diameter gray colouvered risers. Recessed 1 1/2" from ceiling.
Options & Accessories
18" Mounting Bars 
1950 (set of 2)
27" Mounting Bars
1951 (set of 2)
T-Bar Anchor Clips
1956 (set of 4, for 1950 & 1951 bars)
Wood Joist Mtg. Bars
7994 (set of 2)
Sloped Ceiling Adapter
7926 (see SCA specification sheet)
Step Down Transformer
7997 277v Step Down Transformer 
(277v primary 1.1 amp/120v secondary, 
300w capacity)
Ceiling Cutout: 7 7/8" Dia.
Ordering Information
Catalog Number
Lamp
7794QD
A19 100W 
MB19 100W
Electrical
UL listed for maximum of 8 No.12, 75°C through branch circuit supply conduc-
tors, or 60°C supply conductors for end of run. 
Labels
UL Listed for wet locations, I.B.E.W.
Calculite
®
Incandescent Lensed Downlight
7794QD
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7 3/8” Aperture Horizontal Lamp Fresnel Lenslite
Alzak
®
is a registered trademark of ALCOA.
Flush Trim
Overlap Trim