architecture - engineering - construction
AECinfo.com
Printable version Bookmark this page Notify a colleague or friend about this page Bookmark and Share
  Prudential Lighting   Recessed  

Recessed - Page 17

   

Recessed

PHOTOMETRIC DATA

P-8412-04RS-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-8424-04RS-PRA (2'x4' 4-Lamp)

COEFFICIENTS OF UTILIZATION
80 50
50 30 10 50 30 10
FLOOR CAVITY REFLECTANCE, 20%
.70 .68 .66 .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

DOOR FRAME STYLES AND COLORS

Style "H"  (Butt) Style "L" (Overlap)

Units are available in two frame styles ("H", or "L") as illustrated and in a choice of colors. Frame styles "H" and "L" are available in all white "W", all black "B" or in a clear anodized Finish "N".

To specify, add frame style and finish to catalog number.

Ex:P-8424-04RS-PRA-HB Special frame finishes available upon request.

CEILING SYSTEM]

X5C

The P-8400series fixtures are designed for use in concealed T-bar ceiling systems, style X5C (Illustrated at right). The detail is a flanged trim which butts or overlaps the adjacent ceiling tiles.

Mounting accessories and ceiling details

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.
 



Request for Information / Request a Catalog from Prudential Lighting
 
 
 
To request more information from Prudential Lighting, please complete the form below.
 
*Name:    
*Email:    
Company:    
*Type:    
Phone:    
*Address:    
*Request:    
    (* = Mandatory field) 
Please add me to the mailing list for the free monthly e-Newsletter AECnews.