Lightolier 784/7784 specifications Initial Footcandles, Deg, Zone

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Calculite® Incancescent Open Downlight 784/7784

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6” Aperture A23 Ellipsoidal Reflector

INITIAL FOOTCANDLES

60

50

40

30

20

10

150WAA23-

2700730 LumensPerPerLampLamp

RCR = 1 (Rm. Width - 10 x Mtg. Ht. above work plane) RCR = 5 (Rm. Width - 2 x Mtg. Ht. above work plane) RCR = 10 (Rm. Width - Mtg. Ht. above work plane)

Room Surface Reflectances:

80% Ceiling; 50% Walls; 20% Floor

 

 

25

 

50

 

75

100

 

125

 

 

 

 

AREA PER FIXTURE IN SQUARE FEET

 

3

4

5

6

7

8

9

10

11

12

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

This quick calculator chart determines the number and spacing of 150 Watt A-23 units for any desired level of illumination. For 200 Watt A-23 units, multiply chart values by 1.4.

Spacing Ration = 1.1

 

 

 

 

 

 

 

 

 

 

 

Candlepower Summary

 

 

 

 

 

 

 

 

 

 

 

 

DEG

 

CP

 

ZONAL FLUX

 

 

 

 

 

 

 

90

 

 

2

1/2

 

1279

 

 

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

1/2

 

1257

 

 

90

 

 

 

 

 

 

 

 

 

 

 

12

1/2

 

1249

 

 

148

 

 

300

 

 

 

 

 

 

 

 

17

1/2

 

1335

 

 

220

 

 

 

 

 

 

 

 

60

 

 

22

1/2

 

1287

 

 

270

 

 

 

 

 

 

 

 

 

 

 

27

1/2

 

1097

 

 

278

 

 

600

 

 

 

 

 

 

 

 

32

1/2

 

646

 

 

190

 

 

 

 

 

 

 

 

 

 

 

37

1/2

 

137

 

 

46

 

 

 

 

 

 

 

 

 

 

 

42

1/2

 

25.6

 

 

9

 

 

900

 

 

 

 

 

 

 

 

47

1/2

 

5.5

 

 

2

 

 

 

 

 

 

 

 

 

 

52

1/2

 

0

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1200

 

 

 

 

 

30

 

 

ZONE

LUMENS

% LAMP

 

 

 

 

 

 

 

 

 

 

 

0-30

1037

 

38.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-40

1273

 

47.0

 

 

 

 

 

 

 

 

 

 

 

 

0-60

1284

 

47.5

 

 

E.T.L, Inc. report No. 389989

 

 

 

 

 

 

 

 

 

 

 

Date: 04-17-64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Efficiency: 47.5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COEFFICIENTS OF UTILIZATION

 

 

 

 

 

 

 

 

 

% EFFECTIVE CEILING CAVITY REFLECTANCE

 

 

 

 

 

 

 

80

 

 

70

 

 

50

 

 

30

 

 

10

 

0

 

 

 

 

 

 

 

% WALL REFLECTANCE

 

 

 

 

 

 

 

 

50

30

10

50

30

10

50

30

10

50

30

10

50

30

10

0

 

1

.53

.52

.51

.52

.51

.51

.50

.50

.49

.48

.48

.48

.47

.47

.46

.45

RATIO

2

.51

.49

.48

.50

.48

.47

.48

.47

.46

.47

.46

.45

.46

.45

.44

.44

3

.48

.47

.45

.48

.46

.45

.47

.45

.44

.45

.44

.43

.44

.44

.43

.42

4

.46

.44

.43

.46

.44

.42

.45

.43

.43

.44

.42.

41

.43

.42

.41

.40

CAVITY

5

.44

.42

.40

.44

.41

.40

.43

.41

.40

.42

.40

.39

.40

.40

.39

.38

6

.42

.40

38.

42

.40

.38

.41

.39

.38

.40

.39

.38

.40

.38

.37

.37

ROOM

7

.40

.38

.36

.40

.38

.36

.39

.37

.36

.39

.37

.36

.38

.37

.36

.35

8

.38

.36

.34

.38

.36

.34

.37

.35

.34

.37

.35

.34

.36

.35

.34

.33

9

.36

.34

.32

.36

.34

.32

.36

.34

.32

.35

.34

.32

.35

.33

.32

.32

 

 

10

.35

.32

.31

.35

.32

.31

.34

.32

.31

.34

.32

.31

.34

.32

.31

.30

 

 

 

 

 

 

20% FLOOR CAVITY REFLECTANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

Conversion Factor:

 

 

 

 

 

 

Job Information

 

Type:

 

 

 

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.

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

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Contents Reflector Trims Frame-In Kit Lamp FeaturesAccessories and Options Other Reflector Finish OptionsZone Initial FootcandlesDEG

784/7784 specifications

The Lightolier 784/7784 is a versatile and innovative lighting fixture that has gained recognition for its remarkable features, advanced technologies, and practical characteristics. Designed for both residential and commercial applications, this fixture combines aesthetics with functionality, making it an ideal choice for modern spaces.

One of the main features of the Lightolier 784/7784 is its sleek, contemporary design. It seamlessly integrates into a variety of interiors, providing a streamlined look that enhances the overall décor. Available in different finishes, the fixture can be customized to suit individual preferences, allowing users to match it with their existing design elements.

In terms of technology, the Lightolier 784/7784 employs cutting-edge LED technology, which offers numerous benefits over traditional lighting options. LED lights are known for their energy efficiency, consuming significantly less power while providing brightness equivalent to traditional incandescent or fluorescent bulbs. This not only results in lower energy bills but also contributes to a smaller carbon footprint, making it a more environmentally friendly choice.

The fixture also features a dimmable option, allowing users to adjust the light intensity to suit various tasks and moods. This flexible lighting solution can be easily controlled with compatible dimmer switches, making it perfect for creating ambiance in living rooms, dining areas, or even office spaces.

Another notable characteristic of the Lightolier 784/7784 is its long lifespan. LED technology is renowned for its longevity, and the 784/7784 is no exception, boasting an average lifespan of over 25,000 hours. This reduces the hassle and cost associated with frequent bulb replacements, making it an attractive option for both homeowners and business owners alike.

Additionally, the fixture’s design ensures even light distribution, minimizing harsh shadows and providing a more comfortable lighting experience. This is particularly important in spaces where clarity and visibility are crucial, such as kitchens and workspaces.

Overall, the Lightolier 784/7784 stands out for its combination of style, efficiency, and functionality. Whether illuminating a cozy living room or a busy office, this lighting fixture proves to be a reliable and attractive solution for a wide range of applications. Its blend of modern design and advanced technology makes it a top choice for those looking to enhance their spaces with effective and stylish lighting.