Calculite® Incandescent Lensed Downlight 7790QD

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1

 

4

8 7 /8"

9

3

A21

2

 

 

8 1 /4"

 

A19

 

3"

7 3/8” Aperture A19 / A21 / MB19 Fresnel Lenslite

13"

 

4

-1/4"

111 1/2"1 1/2"

5

 

13"

 

Top View

6

1 1/ 8" min. 1 7/8 " max. (Ceiling Runner)

Ceiling Cutout: 7 3/4” Dia.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7 7 /16" Dia.

 

 

 

 

 

7

1" max .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ceiling Thickn ess

Flush Trim

White Trim Ring

 

 

 

 

 

 

 

 

7 3 /4" Flush

8 1 /2" Overlap

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

￿

Catalog Number

7790QD

Lamp

A19 100W max. MB19 100W max. A21 150W max.

Features

1.Socket Cup: Die-cast aluminum cup effectively dissipates heat and assures lamps maintain proper optical alignment to reflector. Snaps onto reflector neck for easy tool-less installation. Contains medium base porcelain socket, nickel plated screw shell wired with No 18 SF1 leads to J-Box.

2.Mounting Brackets: Adjusts vertically from inside of fixture. Durable

16 ga. steel construction. Use with standard 3/4" or 1/2" lathing channels (by others), 1/2" EMT pipe (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" 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 color louver risers. Regressed 1 1/2" from ceiling line by bezel.

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)

Step Down Transformer

7997

(see 7997 specification sheet)

Chicago Air Plenum

Consult Factory

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.

Alzak® is a registered trademark of ALCOA.

Job Information

Type:

 

 

Job Name:

Cat. No.:

Lamp(s):

Notes:

Lightolier a Genlyte Thomas Companywww.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.

© 2002 Genlyte Thomas Group LLC (Lightolier Division) • A0902

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Lightolier 7790QD specifications Catalog Number, Lamp, Features, Options & Accessories, Electrical, Labels

7790QD specifications

The Lightolier 7790QD is a sophisticated lighting fixture that epitomizes modern design and advanced technology, making it an ideal choice for various residential and commercial applications. Known for its blend of style and functionality, the fixture is a testament to Lightolier's commitment to quality and innovation in the lighting industry.

One of the standout features of the Lightolier 7790QD is its sleek and minimalist design. Available in a variety of finishes, including brushed nickel and matte black, it easily complements diverse interior styles, from contemporary to traditional. The fixture's clean lines and streamlined shape provide a visually appealing aesthetic that enhances any space without overwhelming it.

An essential characteristic of the 7790QD is its versatility. It is designed to accept various types of bulbs, including LED and CFL options. This flexibility allows users to select the appropriate light source based on their specific needs while promoting energy efficiency and sustainability. The fixture's compatibility with dimmable LED bulbs also enables users to control the ambiance of a room, making it suitable for settings ranging from bright task areas to soft, relaxing environments.

The Lightolier 7790QD is equipped with advanced optical technologies that enhance light distribution. Its well-engineered reflector maximizes lumen output while minimizing glare, ensuring that light is evenly distributed throughout the space. This feature is particularly beneficial in environments where precise lighting is essential, such as art galleries, showrooms, and residential living areas.

Additionally, the 7790QD showcases a convenient quick-disconnect feature. This design element allows for easy installation and maintenance, making it accessible for both professional electricians and DIY enthusiasts. The fixture’s durable construction ensures longevity, providing users with a reliable lighting solution that withstands the test of time.

In summary, the Lightolier 7790QD stands out with its modern aesthetics, versatile bulb compatibility, advanced optical distribution, and convenient installation features. It is an excellent choice for anyone looking to enhance their space with a well-designed, effective lighting solution that marries form with function. Whether for home or commercial use, the 7790QD represents a smart investment in quality lighting.