PHOTOMETRIC DATA
P-2412-04RS-PRA (1' x4' 2 -Lamp)
| COEFFICIENTS OF UTILIZATION |
| % CEILING REFLECTANCE |
80 |
50 |
| % WALL REFLECTANCE |
50 |
30 |
10 |
50 |
30 |
10 |
| ROOM CAVITY RATIO |
FLOOR CAVITY REFLECTANCE, 20% |
| 1 |
.68 |
.66 |
.64 |
.64 |
.61 |
.60 |
| 2 |
.60 |
.57 |
.54 |
.57 |
.54 |
.52 |
| 3 |
.54 |
.50 |
.47 |
.52 |
.49 |
.46 |
| 4 |
.49 |
.45 |
.40 |
.47 |
.43 |
.40 |
| 5 |
.45 |
.39 |
.35 |
.42 |
.38 |
.35 |
| 6 |
.40 |
.35 |
.32 |
.38 |
.34 |
.31 |
| 7 |
.36 |
.31 |
.28 |
.35 |
.31 |
.28 |
| 8 |
.33 |
.28 |
.24 |
.31 |
.27 |
.24 |
| 9 |
.30 |
.24 |
.21 |
.29 |
.24 |
.21 |
| 10 |
.27 |
.22 |
.19 |
.25 |
.21 |
.19 |
P-2424-04RS-PRA (2'x4' 4-Lamp)
| COEFFICIENTS OF UTILIZATION |
| 80 |
50 |
| 50 |
30 |
10 |
50 |
30 |
10 |
| FLOOR CAVITY REFLECTANCE, 20% |
| .70 |
.68 |
.68 |
.66 |
.64 |
.63 |
| .63 |
.59 |
.56 |
.59 |
.56 |
.54 |
| .56 |
.52 |
.49 |
.54 |
.50 |
.48 |
| .51 |
.46 |
.42 |
.49 |
.45 |
.41 |
| .46 |
.40 |
.36 |
.43 |
.39 |
.36 |
| .41 |
.36 |
.32 |
.39 |
.35 |
.32 |
| .37 |
.32 |
.29 |
.36 |
.31 |
.28 |
| .34 |
.29 |
.24 |
.32 |
.28 |
.24 |
| .31 |
.25 |
.21 |
.29 |
.24 |
.21. |
| .28 |
.22 |
.19 |
.27 |
.22 |
.19 |
FRAME STYLES AND COLORS
 |
 |
| Style "R" -
Regressed |
Style "S" - Flush |
Fixtures are available with a choice of one or two doors
(on 1' x 4' and 2' x 4'), two frame styles ("R" or "S"), and two
finishes (white "W" or black "B"). To specify, add to Catalog Number
the number of doors in fixture, door style and finish. Ex: "2RW"
- two-door regressed white.
GRID DETAIL
Grid slot heights vary with different ceiling systems.
Standard grid slot height is 5/16" (no suffix necessary). If other than standard,
specify height by adding suffix "A" (3/8") or "B"
(7/16") to ceiling style. Ex: P-2424-04RS-PRA-2SW-X6 A
| INSTALLATION 
BASIC UNIT SIZES
We reserve the right to change details of design, materials
or finish in any way that will not alter appearance, reduce function or performance.
 |
1774 E. 21st ST. LOS ANGELES, CA 90058
213.746.0360 Fax: 213.746. |
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