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WALL
WASHER
INSIDE CORNER
WALLWASHER
DOUBLE
WALLWASHER
WALL
WALL
WALL
WALL
WALL
6'
6'
3'
2'
14 f.c.
10 f.c.
6'
Coefficients of Utilization
%
effective ceiling cavity reflectance
80 50 30
ROOM CAVITY RATIO
20% FLOOR CAVITY REFLECTANCE
50 30 10 50 30 10 50 30 10
.76 .75 .73 .73 .72 .71 .70 .69 .69
.72 .69 .68 .69 .68 .67 .67 .67 .66
.67 .65 .63 .66 .64 .62 .65 .63 .61
.65 .61 .58 .63 .60 .58 .61 .59 .57
.60 .56 .54 .59 .56 .54 .58 .55 .53
.56 .53 .50 .55 .52 .50 .54 .52 .50
.52 .49 .47 .52 .48 .47 .51 .48 .47
.50 .47 .44 .49 .46 .44 .48 .46 .44
.47 .43 .40 .46 .43 .40 .46 .42 .40
.44 .40 .37 .43 .40 .37 .43 .39 .37
1
2
3
4
5
6
7
8
9
10
% CEILING REFLECTANCE
Conversion Factors:
100W A-19; (Clear): C.U. X 1.O. 100W and 150W A21 (Gold): C.U. X 0.9.
UNITS 2 FEET
FROM WALL
1343234262226 261226
2484848363036 341834
3485248343834 302230
4394439293229 212221
5363836282428 202220
6293229232223 171817
7242624202020 171417
8232423172017 171417
9202220161816 161216
UNITS 3 FEET
FROM WALL
1121412121012 878 868
2192219171417 131013 13 813
3222422181618 141214 141014
4222622201620 161416 141014
5262626202020 141414 141412
6242224181818 141214 121410
7202220161616 121212 1012 9
8192019151415 111011 910 9
9192019151415 111011 910 9
Footcandle values are averaged and rounded off and are based on a minimum of five units.
Conversion factors: 150W A21 units with gold cone, FC x 0.90. 100W units: clear cone, FC x 0.60; gold cone, FC x 0.55.
DISTANCE FROM CEILING (FT.)
DISTANCE FROM CEILING (FT.)
2' 3' 4'
3' 4' 5' 6'
Footcandles on wall from multiple units — clear cone, 150W A21
Clear cone, 100W A19
EXAMPLE: With multiple
clear cone units, using
150W A21 lamps, located
3’ from wall and 6' on cen-
ter, (matching downlights
7054 downlights 6’ on cen-
ter), the illumination on the
wall 3' down from the ceil-
ing is 14 f.c. beneath fix-
tures and 10 f.c. between
fixtures.
WALL WASH SIDE DOWNLIGHT SIDE
For even wall washing use a maximum
of 2 to 1 spacing (distance between
fixture + distance to wall).
DOWNLIGHT SPACING RATIO = 1.3
Candlepower Distribution
Calculite
®
Incandescent Open Wall Washer R7029
Page 2 of 2 6" Aperture A19 / A21
Lightolier a Genlyte Thomas Company www.lightolier.com
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division) • A0902
Job Information Type: