Installation Guide

Lithonia Lighting
Downlighting
One Lithonia Way / Conyers, GA 30012
800-315-4935 / www.lithonia.com
INSTALLATION INSTRUCTIONS
Part Number: >Revision D<
©2007 Acuity Brands Lighting, Inc., 01/01/2012
Page 3 of 11
LK3, LK4, LK5 SERIES REMODEL FIXTURE,
LK3
120V ONLY
LK4, LK5
SAVE THESE INSTRUCTIONS
Prior to installing the fixture, disconnect ALL power supplies to the
unit. This unit may be installed in a TYPE NON-IC installation only.
No insulation may be placed over the top of/or within 3″ (76mm) of
the fixture.
REMODEL FIXTURE INSTALLATION
1. NOTE: when deciding on fixture placement and preparing to cut
hole, take into account joist placement and electrical wiring
requirements. Your ceiling material must be non-combustible and
strong enough to support fixture.
2. Maximum ceiling thickness for remodel applications
 LK3= 5/8” max gypsum; 3/4” max drop ceiling tile
 LK4= 1” max gypsum and drop ceiling tile
 LK5= 1” max gypsum and drop ceiling tile
3. Using the template that is provided, or fixture housing itself outline
the circle pattern on the ceiling to cut between the ceiling joists, as
required by lighting layout.
 LK3= 3 1/8 inch diameter cutout.
 LK4= 4 1/8 inch diameter cutout.
 LK5= 5 1/2 inch diameter cutout.
4. Using the proper hole-saw and tools, cut out the circle pattern in the
ceiling.
5. Disconnect all power prior to installation. Remove the appropriate
pry-out knockout with screw driver. Open snap on cover on junction
box by depressing spring and allow cover to hang.
Using the provided wire connecters, make all connections inside the
Junction box. Bring supply wires into box by shielded cable or
Romex cable and connectors (Purchased separately).
Connect the 120V HOT wire black to black; NEUTRAL wire white to
white; GROUND bare wire to ground, push wires carefully back into
junction box. Close snap on cover in place. (Figure 1)
6. Tilt fixture junction box up through hole and hold up against ceiling
and push retaining clips with screwdriver until they securely snap in
place. Check installation that fixture is secure and clips are snapped
in place. (Figure 2 & Figure 3)
Figure 1
Figure 2
Figure 3