Cut Sheet

MOUNTING DATA
For unit or row installation, surface (ceiling or wall) or suspended mounting.
DM/DMW — Drill holes through housing and channel at
appropriate locations.
DMW — Includes gasketed wet location fittings on ends for
power feeding/mounting. Fitting is threaded for 1/2" rigid
conduit (optional WLF for top mounting). Attach to surface
using fasteners and sealing washers (by others) appropriate
to ceiling materials.
Unit installation — Minimum of two hangers required.
Row installation — Minimum of two hangers required.
Recommend 1/2" nipple with union (by others) for DMW.
See ACCESSORIES below for hanging devices.
DIMENSIONS
Inches (millimeters). Subject
to change without notice.
DM/DMW 2 32
Report LTL 5583
S/MH (along) 1.3 (across) 1.6
Coefficient of Utilization
Ceiling 80% 70% 50%
Wall 70% 50% 30% 70% 50% 30% 50% 30% 10%
1 827874 807672 716966
2 746761 726560 615753
3 675852 655751 544844
4 615144 595043 474237
5 564538 544437 423631
10 37 26 19 36 25 19 24 19 15
Zonal Lumens Summary
Zone Lumens %Lamp %Fixture
0-30 884 15.2 19.5
0-40 1511 26.0 33.4
0-60 2883 49.7 63.7
0-90 4260 73.4 94.1
90-180 268 4.6 5.9
0-180 4528 78.1 100.0
PHOTOMETRICS
Calculated using the zonal cavity method in accordance with IESNA LM41 procedure. Floor reflectances are 20%. Lamp configurations shown are typical. Full photometric data on
these and other configurations available upon request.
DM/DMW Rapid Start
A = 11/16 (17) Dia.
B = 1-1/8 (29) Dia.
Recommended mounting locations
(field drilling required)
*8' fixtures are 5-5/8" deep
4' fixtures are 4-5/8" deep
©1996 Acuity Brands Lighting, Inc., Rev. 1/8/08
Sheet #: DM-DMW-RS
Lithonia Lighting
Industrial
One Lithonia Way, Conyers, GA 30012
Phone: 770-922-9000 Fax: 770-981-8141
www.lithonia.com