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Performance
CANDLEPOWER CURVE
180˚ 175˚
165˚
155˚
145˚
135˚
750
125˚
600
450
0˚
90˚
115˚
300
105˚
150
95˚
0
90˚
85˚
75˚
65˚
55˚
0˚ 5˚
15˚
25˚
35˚
45˚
REPORT NO: LRL 299-1J
CAT NO: SA14I281WH
LAMPS: 1 F28T5
LUMENS: 2900
EFFICIENCY: 81.7%
Quick Calculator and Ceiling Brightness
FOOTCANDLE
2,000
1,000
700
500
400
300
200
100
1
2
3
4
5
7
10
NUMBER OF FIXTURES REQUIRED
Fixture Lengths & Mounting Locations
4-Foot Joiner
48" (121.92cm)
Sample Run
8-Foot Joiner
Power Feed
96" (243.84cm)
End Set
Mounting & Joiner Block Accessories
Cable Assembly
Power Feed End Set
SC36
SE36WH (white)
SE36AL (aluminum)
Inline block available (SI36WH or SI36AL).
CANDLEPOWER
ZONE
0
22
45
DEG.
CANDELAS
180
607
607
607
175
606
613
571
165
592
629
668
155
557
626
686
145
492
595
598
135
399
496
429
125
313
363
363
115
206
236
312
105
113
171
202
95
23
47
90
6
9
85
5
10
75
4
16
65
7
20
55
17
32
45
20
33
35
30
34
25
35
33
15
39
36
5
42
41
0
40
40
Calculations are for 28 watt T5 lamps, for 54 watt T5 lamps multiply by 1.7
20
30
50
70 100
1. Find room area on
vertical axis.
2. Move across chart to
footcandle curve.
3. Move down to
horizontal axis and
read number of
fixtures required.
20
30
40 50
70
100
200
5/8" (1.59cm)
8-Foot Joiner
20' 1/8" (609.92cm)
4.6" (11.68cm)
4" (10.16cm)
"L"Block with Suspension
SL36WH (white)
SL36AL (aluminum)
Lighting Systems
% EFFECTIVE CEILING CAVITY REFLECTANCE
67
90
607
607
70
629
631
710
705
0
80
689
682
1
72
537
528
2
66
3
60
448
461
437
434
4
54
339
346
5
50
216
217
6
45
7
42
48
54
57
22
38
43
8
38
26
43
46
9
36
10 33
34
51
53
38
52
58
48
63
63
45
58
61
47
57
59
Zone
43
50
52
0-90
37
40
41
90-180
40
39
38
0-180
40
40
40
Suspension Length
Footlamberts Above Fixture
Footlamberts Between Fixtures
Ceiling Brightness Ratio
Reflectances of 80% ceiling, 50% walls and 20% floor.
Light loss factor is .85, Room size is 50' x 50',
Run Spacing 10'. Ceiling Height 9' to 12'. Values are
taken from the center of the room.
1-1/4" (3.18cm)
96" (243.84cm)
4-Foot Joiner
48" (121.92cm)
"X" Block with Suspension
SX36WH (white)
SX36AL (aluminum)
Job Information
We reserve the right to change details of design, materials and finish.
Silhouette
COEFFICIENTS OF UTILIZATION
80
70
WALL REFLECTANCE
50
30
70
50
30
50
80
80
69
69
69
50
69
65
62
60
57
43
60
55
57
52
48
37
52
47
51
45
41
33
46
40
47
40
35
29
41
34
43
35
30
25
36
30
39
31
26
23
32
26
36
28
23
20
29
23
33
25
20
18
26
20
31
23
18
17
24
18
29
21
16
15
20% FLOOR CAVITY REFLECTANCE
DISTRIBUTION
Lumens
% Lamp
% Luminaire
236
8.1
10.0
2134
73.6
90.0
2370
81.7
100.0
12" 18"
24"
223 158
121
23.5 25.2 27.9
9.9 6.3
4.3
8-Foot Joiner
96" (243.84cm)
8" (20.32cm)
8"
(20.32cm)
4" (10.16cm)
4"
(10.16cm)
3.4"
4"
(8.64cm)
(10.16cm)
"T" Block with Suspension
ST36WH (white)
ST36AL (aluminum)
Type:
SA
®
50
30
10
50
50
41
40
35
33
30
27
25
23
22
19
19
16
17
14
15
12
13
11
12
9
Cable
Assembly
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