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  Prudential Lighting   Recessed  

Recessed - Page 13

   

Recessed

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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