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Prudential Lighting Shapes & Systems Shapes & systems - Page 24
| PHOTOMETRIC DATA 
P-28-04-CT (2-Lamp)
| COEFFICIENTS
OF UTILIZATION |
| % CEILING
REFLECTANCE |
80 |
70 |
50 |
| % WALL
REFLECTANCE |
70 |
50 |
30 |
70 |
50 |
30 |
50 |
30 |
10 |
| ROOM CAVITY
RATIO |
FLOOR
CAVITY REFLECTANCE, 20% |
| 0 |
.77 |
.77 |
.77 |
.66 |
.66 |
.66 |
.45 |
.45 |
.45 |
| 1 |
.70 |
.67 |
.64 |
.60 |
.57 |
.55 |
.39 |
.38 |
.37 |
| 2 |
.64 |
.58 |
.54 |
.54 |
.50 |
.46 |
.34 |
.32 |
.30 |
| 3 |
.58 |
.51 |
.46 |
.49 |
.44 |
.40 |
.30 |
.27 |
25 |
| 4 |
.53 |
.45 |
.39 |
.45 |
.39 |
.34 |
.27 |
.24 |
.21 |
| 5 |
.48 |
.39 |
.34 |
.41 |
.34 |
.29 |
.24 |
.20 |
.18 |
| 6 |
.44 |
.35 |
.29 |
.38 |
.30 |
.25 |
.21 |
18 |
.16 |
| 7 |
.41 |
.32 |
.26 |
.35 |
.27 |
.22 |
.19 |
.16 |
.13 |
| 8 |
.38 |
.28 |
.23 |
.32 |
.24 |
.20 |
.17 |
.14 |
.12 |
| 9 |
.35 |
.26 |
.20 |
.30 |
.22 |
.17 |
.15 |
.12 |
.10 |
| 10 |
.32 |
.23 |
.18 |
.28 |
.20 |
.16 |
.14 |
.11 |
.09 |
Efficiency = 81%
Luminaire Input Watts = 79.2 (Magnetic Ballast)
SUSPENSION
 |
 |
 |
| M2 Stem Mount
P-SC-(specify length) |
M3 Cable Mount
P-CA-(Specify length) |
M3 Cable & Cord Mount
P-CCA-(Specify length) 2 wire and ground 18 ga. rated 10 amps. |
|
|
 NOTE: Sculptured End Medallions add 1" to length or fixture(s).
We reserve the right to change details of design,
materials or finish in any way that will not alter appearance, reduce function or
performance.
 |
PRUDENTIAL LIGHTING 1774 East 21st Street, Los
Angeles, CA 90058 213.746.0360 FAX: 213.746.8838 |
|
Copyright © 19962008 AECinfo.com
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