Lightolier C4P20D specifications Date July 19, Prepared for, Conversion Factors

Page 2

Calculite® Evolution Incandescent Open Downlight C4P20D

Page 2 of 2

Spacing Ratio = 0.6

Certified Test Report No. 0838FR

Computed By LSI Program **Test-Lite**

Recessed Open Reflector Downlight

4 1/2" Dia. Aperture, Specular Clear Finish Reflector

50W PAR20 NFL Sylvania Lamp. Lumen Rating = 530 LMS.

 

Candlepower Summary

 

 

Angle

Mean CP

Lumens

 

 

0

1423

 

 

 

5

1186

115

 

 

10

1036

 

 

 

15

878

238

 

 

20

565

 

 

 

25

259

135

 

 

30

84

 

 

 

35

26

23

 

 

40

12

 

 

 

45

3

4

 

 

50

0

 

 

 

55

0

0

 

 

60

0

 

 

 

65

0

0

 

 

70

0

 

 

 

75

0

0

 

 

80

0

 

 

 

85

0

0

 

 

90

0

 

 

 

 

Zonal Lumens And Percentages

 

Zone

Lumens

% Lamp

%Luminaire

 

0-30

448

92.09

94.76

 

0-40

511

96.49

99.28

 

0-60

514

97.17

99.98

 

0-90

515

97.19

100.00

 

40-90

3

.70

.72

Date: July 19, 1999

60-90

0

.02

.02

90-180

0

.00

.00

Prepared for

0-180

515

97.19

100.00

 

 

Lightolier, Fall River, MA

 

 

 

 

 

 

** Efficiency = 97.2%

**

 

 

 

 

 

 

 

 

Tested According To IES Procedures. Test Distance Exceeds Five

 

 

 

 

 

 

 

 

 

 

Times The Greatest Luminous Opening Of Luminaire.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

1.11

1.09

1.08

1.09

1.07

1.06

1.05

1.04

1.03

1.01

1.01

1.00

.98

.98

.97

.95

 

 

2

1.06

1.04

1.02

1.05

1.02

1.01

1.02

1.00

.98

.99

.98

.96

.97

.96

.94

.93

 

Ratio

3

1.03

1.00

.97

1.01

.99

.97

.99

.97

.95

.97

.95

.94

.95

.94

.93

.91

 

4

1.00

.96

.94

.99

.96

.93

.97

.94

.92

.95

.93 .91

.93

.92

.90

.89

 

Cavity

 

6

.94

.90

.88

.93

.90

.88

.92

.89

.87

.91

.88

.87

.90

.88

.86

.85

 

 

5

.96

.93

.90

.95

.92

.90

.94

.91

.89

.92

.90

.88

.91

.89

.88

.87

 

Room

7

.91

.88

.85

.91

.87

.85

.89

.87

.85

.88

.86

.84

.88

.85

.84

.83

 

 

 

 

8

.88

.85

.83

.88

.85

.82

.87

.84

.82

.86

.84

.82

.86

.83

.81

.81

 

 

9

.86

.83

.80

.86

.83

.80

.85

.82

.80

.84

.81

.80

.84

.81

.79

.79

 

 

10

.84

.81

.78

.84

.81

.78

.83 .80

.78

.82

.80

.78

.82

.79

.78

.77

 

Conversion Factors

 

20% Floor Cavity Reflectance

 

 

 

 

 

 

35W, 50W PAR20 NFL: Clear, C.U.x 1.0; Diffuse/Gold, C.U.x 0.95; Black, C.U.x 0.7

 

 

 

 

60W, 75W PAR16 NFL: Clear, C.U.x 0.90; Diffuse/Gold, C.U.x 0.85; Black, C.U.x 0.6

 

 

 

35W, 50W BR19 SP: Clear, C.U.x 0.85; Diffuse/Gold, C.U.x 0.80; Black, C.U.x 0.6

 

 

 

 

4 1/2” Aperture PAR20/PAR16/BR19/R20 Reflector Trim

Spacing Ratio = 1.0

Certified Test Report No. 0839FR

Computed By LSI Program **Test-Lite**

Recessed Open Reflector Downlight

4 1/2" Dia. Aperture, Specular Clear Finish Reflector

75W R20 GE Lamp. Lumen Rating = 650 LMS.

 

 

 

 

 

 

 

 

 

 

 

 

Candlepower Summary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Angle

Mean CP

Lumens

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

479

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

479

46

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

489

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

508

142

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

447

199

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

328

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

197

131

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

25

 

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

1

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

70

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

85

0

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zonal Lumens And Percentages

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zone

Lumens

% Lamp

%Luminaire

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-30

387

 

59.60

70.37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-40

518

 

79.69

94.09

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-60

550

 

84.69

99.99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-90

550

 

84.70

100.00

 

 

 

 

 

Date: July 19, 1999

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40-90

32

 

5.01

 

5.91

 

 

 

 

 

Prepared for

 

 

 

 

 

 

60-90

0

 

.01

 

.01

 

 

 

 

 

 

 

 

 

 

 

90-180

0

 

.00

 

.00

 

 

 

 

 

Lightolier, Fall River, MA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0-180

50

 

84.70

100.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

** Efficiency = 84.7%

**

 

 

 

 

 

 

 

 

 

Tested According To IES Procedures. Test Distance Exceeds Five

 

 

 

 

 

 

 

 

 

 

 

Times The Greatest Luminous Opening Of Luminaire.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

.95

.93

.92

.94

.92

.90

.90

.89

.88

.87

.86

.85

.84

.83

.83

.81

 

 

2

.90

.87

.85

.88

.86

.84

.86

.84

.82

.83

.82

.80

.81

.80

.79

.77

 

RATIO

3

.85

.82

.79

.84

.81

.78

.82

.79

.77

.80

.78

.76

.78

.76

.75

.74

 

4

.81

.77

.74

.80

.76

.73

.78

.75

.73

.76

.74

.72

.75

.73

.71

.70

 

 

 

CAVITY

5

.76

.72

.69

.75

.71

.69

.74

.71

.68

.73

.70

.68

.71

.69

.67

.66

 

6

.73

.68

.65

..72

.68

.65

.71

.67

.64

.70

.66

.64

.68

.66

.64

.63

 

 

 

ROOM

7

.68

.64

.61

..68

.64

.61

.67

.63

.61

.66

.63

.60

.65

.62

.60

.59

 

8

.65

.60

.57

.64

.60

.57

.63

.60

.57

.63

.59

.57

.62

.59

.56

.55

 

 

 

 

9

.61

.57

.54

.61

.57

.54

.60

.56

.53

.59

.56

.53

.58

.55

.53

.52

 

 

10

.58

.53

.50

.57

.53

.50

.57 .53 .50

.56

.52

.50

.56

.52

.50

.49

 

 

 

 

 

 

 

 

 

20% Floor Cavity Reflectance

 

 

 

 

 

 

 

Conversion Factors

30W to 75W R20: Clear, C.U.x 1.00; Diffuse/Gold, C.U.x 0.9; Black, C.U.x 0.45

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.

© 2003 Genlyte Thomas Group LLC (Lightolier Division) • B0403

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Contents Labels FeaturesOptions and Accessories Conversion Factors Date July 19Prepared for

C4P20D specifications

The Lightolier C4P20D is a high-performance pendant lighting fixture that offers both functionality and style to any space it illuminates. Designed for various applications, including commercial and residential environments, this pendant light is renowned for its robust features and advanced technologies, making it a preferred choice among lighting designers and architects.

One of the standout features of the C4P20D is its versatility in design. It boasts a sleek, modern aesthetic that effortlessly complements a wide range of interior styles. The fixture is available in multiple finishes, enabling users to select a look that aligns perfectly with their decor. Whether it’s a contemporary kitchen, a stylish dining area, or a sophisticated office space, the C4P20D can enhance the ambiance while providing efficient illumination.

The C4P20D is equipped with energy-efficient LED technology, which not only reduces energy consumption but also ensures long-lasting performance. LEDs are known for their durability and can significantly lower maintenance costs, making this fixture a smart investment for any lighting project. The pendant light can provide an impressive lumen output, ensuring that spaces are well-lit without overwhelming glare.

Another significant characteristic of the Lightolier C4P20D is its dimming capability. Compatible with various dimmer switches, it allows users to easily adjust the brightness levels according to their mood or needs. This feature promotes energy savings and creates a customizable lighting experience that can suit different occasions, from bright task lighting to soft ambient lighting.

Installation of the C4P20D is straightforward, thanks to its user-friendly design. The fixture is compatible with standard electrical systems, and its lightweight construction makes it easy to handle during installation. Additionally, maintenance is hassle-free due to the accessibility of the LED components, which can be easily replaced when needed.

In summary, the Lightolier C4P20D pendant light combines modern design, energy efficiency, and versatility, making it an excellent choice for any lighting application. Its LED technology, dimmable options, and easy installation ensure that it meets the diverse needs of users while enhancing the aesthetic appeal of any space. Whether for residential or commercial use, the C4P20D stands as a testament to quality and innovation in lighting design.
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