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  Prudential Lighting   Shapes & Systems  

Shapes & systems - Page 20

   

Shapes & Systems

PHOTOMETRIC DATA

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 .90 .90 .90 .82 .82 .82 .67 .67 .67
1 .83 .80 .77 .75 .73 .70 .60 .58 .56
2 .76 .70 .66 .69 .64 .60 .53 .50 .48
3 .70 .62 .57 .64 .57 .52 .47 .44 .41
4 .64 .56 .49 .58 .51 .46 .42 .38 .35
5 .59 .49 .43 .53 .45 .40 .38 .34 .30
6 .54 .44 .38 .49 .41 .35 .34 .30 .26
7 .50 .40 .33 .45 .36 .31 .30 .26 .23
8 .46 .35 .29 .42 .33 .27 .27 .23 .20
9 .42 .32 .26 .38 .29 .24 .25 .20 .17
10 .39 .29 .23 .36 .27 .21 .22 .18 .15

Efficiency = 86.2%
Luminaire Input Watts = 79.2 (magnetic Ballast)

COEFFICIENTS OF UTILIZATION
80 70 50
70 50 30 70 50 30 50 30 10
FLOOR CAVITY REFLECTANCE, 20%
.90 .90 .90 .82 .82 .82 .67 .67 .67
.83 .80 .77 .76 .73 .70 .60 .58 .57
.76 .71 .66 .69 .65 .61 .53 .51 .48
.70 .63 .57 .64 .58 .53 .48 .44 .42
.64 .56 .49 .59 .51 .46 .43 .39 .36
.59 .49 .43 .53 .46 .40 .38 .34 .31
.54 .44 .38 .50 .41 .35 .34 .30 .27
.50 .40 .33 .46 .37 .31 .31 .27 .23
.46 .36 .29 .42 .33 .27 .27 .23 .20
.42 .32 .26 .38 .29 .24 .25 .20 .17
.39 .29 .23 .36 .27 .21 .22 .19 .16

Efficiency = 85.9%
Luminaire Input Watts = 123.3 (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.
 
INSTALLATION

NOTE:  Sculptured End Medallions add 1-1/2" to length of 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 90058-0736 213.746.0360 FAX: 213.746.8838



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