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Job Information 

Type:

"JSQPSU3PBE'BMM3JWFS."t t'BY 

We reserve the right to change details of design, materials and finish.

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Lighting Systems

 RT6-2

1BHFPG

-ZUFUVCF%JSFDU-FOT-JHIU51FS'PPU4FDUJPO

#

20

20

3

4

5

6

7

8

9

10

11

12

13

40

60

80

100

120

140

160

40

60

80

100

120

ROOM SURFACE REFLECTANCES: 80% CEILING, 50% WALLS, 20% FLOOR

INITIAL FOOTCANDLES

AREA PER FIXTURE IN SQUARE FEET

CENTER TO CENTER DISTANCE OF FIXTURES IN FEET

2000 LUMENS PER LAMP

RCR  =  1  (R

m

. Width  =  10xMtg. Ht. above work plane)

RCR  =  5  (R

m

. Width  =  2xMtg. Ht. above work plane)

RCR  =  10  (R

m

. Width  =  Mtg. Ht. above work plane)

SPACING RATIOS: PARALLEL  =  1.3 / PERPENDICULAR  =  1.5

Mounting & Joiner Block Accessories

"T" Joiner Block 

RT62-TD

6"

6"

9"

9"

"L" Joiner Block

RT62-LD

6"

6"

9"

12"

6"

6"

9"

12"

"X" Joiner Block

RT62-XD

Power Feed End Set
Cable/Cord

RT62 EDCC36
(straight cord) 
RT62 EDCCC36
(coiled cord)
Max 10 a

m

ps.

Single Stem
Chrome

Power Feed End Set
Chrome Stem

RT62 ED12 = 12" OAL
RT62 ED18 = 18" OAL
RT62 ED24 = 24" OAL

3"

3"

Cable Assemblies

C36 (cable only)
CC36 (cable/straight
cord feed)
CCC36 (cable/coiled
cord feed)

Inline joiner block available: RT62ILD

Sample Run

Fixture Lengths & Mounting Locations

4-FOOT JOINER

8-FOOT JOINER

96" (243.84c

m

)

48" (121.92c

m

)

POWER FEED

SINGLE

SINGLE

SINGLE

END SET

STEM OR CABLE

STEM OR CABLE

STEM OR CABLE

8-FOOT JOINER

8-FOOT JOINER

4-FOOT JOINER

96" (243.84c

m

)

96" (243.84c

m

)

48" (121.92c

m

)

20' 6" (624.84c

m

)

3” (7.62c

m

)     6“ (15.24c

m

)     9" (22.86c

m

)     12” (30.54c

m

)     18” (45.72c

m

)     24” (60.96c

m

)

S12 = 12" OAL
S18 = 18" OAL
S24 = 24" OAL
Add 

WH 

for

white ste

m

Ordering Instructions

Individual Fixtures:

1. Order nu

m

ber of JOINER FIXTURES.

2. Order one POWER FEED END SET per fixture.
3. Order one SINGLE STEM or CABLE ASSEMBLY per JOINER FIXTURE.

Continuous Rows:

1. Deter

m

ine run length.

2. Order the appropriate nu

m

ber of JOINER FIXTURES for the co

m

plete run.

3. Order one POWER FEED END SET per run.
4. Order one SINGLE STEM or CABLE ASSEMBLY per JOINER FIXTURE.
5. For cable 

m

ounted runs that exceed a

m

perage li

m

its, order the appropriate

nu

m

ber of CABLE/CORD FEEDS.

Square/Rectangle Patterns:

1. Order appropriate nu

m

ber of JOINER FIXTURES to co

m

plete the  pattern size.

2. Order nu

m

ber and type of JOINER BLOCKS required.

3. Order one SINGLE STEM or CABLE ASSEMBLY per JOINER FIXTURE.
4. For cable 

m

ounted patterns that exceed a

m

perage li

m

its, order the appropriate

nu

m

ber of CABLE/CORD FEEDS.

Add  

WH 

for

white ste

m

90˚

85˚

95˚

105˚

75˚

65˚

55˚

115˚

125˚

180˚  175˚      165˚        155˚          145˚               135˚

0˚    5˚        15˚           25˚            35˚                 45˚

600

400

800

200

1000

600

800

400

1000

200

1200

1200

0

REPORT NO: LRL 489-10C
LAMPS: 2-32WT8
LUMENS: 2900
EFFICIENCY:  55.6%

Performance and Quick Calculator

COEFFICIENTS OF UTILIZATION

% EFFECTIVE CEILING CAVITY REFLECTANCE

80

70

50

% WALL REFLECTANCE

50

30

10

50

30

10

50

30

10

0

66

66

66

64

64

64

60

60

60

1

57

55

53

56

54

52

53

51

50

2

51

48

45

50

47

44

48

45

43

3

46

42

39

45

41

38

43

40

37

4

41

37

33

40

36

33

38

35

32

5

37

32

29

36

32

29

35

31

28

6

33

29

25

33

28

25

32

28

25

7

30

26

22

30

25

22

29

25

22

8

27

23

20

27

23

20

26

22

19

9

25

21

18

25

20

17

24

20

17

10

22

17

15

21

17

15

21

17

14

CANDLEPOWER CURVE

CANDLEPOWER 

180

0

0

0

0

0

175

0

0

0

0

0

165

0

0

0

0

0

155

0

0

0

1

1

145

0

0

2

4

4

135

0

1

5

7

8

125

0

3

10

18

21

115

0

6

23

42

55

105

0

13

45

68

80

95

0

27

76

94

106

90

0

40

104

118

125

85

10

56

129

148

150

75

90

110

208

228

232

65

293

236

302

347

339

55

517

486

489

555

528

45

711

673

744

769

781

35

914

797

959

1025

1038

25

1047

968

917

994

1043

15

1105

1140

1027

973

956

5

1124

1119

1125

1108

1116

0

1119

1119

1119

1119

1119

ROOM CA

VITY RA

TIO

ZONAL LUMEN SUMMARY

ZONE

LUMENS % BARELAMP % LUMINAIRE

0-90

3072

53.0

95.3

90-180

151

2.6

4.7

0-180

3223

55.6

100.00

ZONE
Deg.

0

22

45

67

90

Di

m

ensions given are both fixture

lengths and 

m

ounting distances.

3” (7.62c

m

) END SET

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