©2016 Acuity Brands Lighting, Inc.
All Rights Reserved.
Lithonia Lighting Outdoor
One Lithonia Way, Conyers, GA 30012
Phone: 800-279-8041 Fax: 770-918-1209
www.lithonia.com
Part Number: IM-405 REV B
Revision Date: 6-24-16
FIGURE 2: PBBW with entries called out (GR-2478).
Note: optional side entries not shown
Install backbox to wall (Using (4) ¼-20 screws – NOT
included).
Be sure PBBW is installed level before attaching to wall.
FIGURE 3: dimension PBBW mounting holes (GR-2479).
Install supply leads through chosen entry.
Note: For non-remote EM use of the PBBW, refer to the WST
LED installation manual, IM-401, included with the luminaire
.
For luminaires with remote battery packs only
1. Remove back plate from premium backbox to expose internal wiring.
2. Disconnect all wiring inside the premium backbox such that flex conduit harness coming from the remote battery unit can
be separated from the rest of the luminaire.
3. Once the remote battery unit has been separated, mount the battery unit in the desired location and route the flex con-
duit as needed.
4. Route the wires coming from the flex conduit into the premium backbox through the 7/8” knockout (refer to figure 2) and
snap the flex conduit into place.
a. E23WHR OPTION ONLY: Snap indicator light into place on the bottom of the premium backbox.
5. Apply a continuous bead of weather-proof caulking between the premium backbox and wall to ensure weather-tight
integrity of electrical components.
6. After applying caulking secure the premium backbox to the wall via four ¼” bolts (not supplied).
a. Refer to figure 3 for mounting pattern
7. Route supply leads into fixture via ¾” NPT entry and connect supply leads. Refer to figures 4a or 4b of this installation
manual or the included battery pack installation manual for wiring diagrams.
a. Note: All premium backboxes will have a top entry, side entries are optional and not present on all premium backboxes.
8. E23WHR OPTION ONLY: Be sure to connect the two red leads coming from the flex conduit, this will activate the battery
pack.
a. The luminaire must be supplied with AC power within 90 minutes of connecting these wires to prevent complete dis-
charge of the battery pack and to avoid potential damage to the battery.
GR-2479
GR-2478
Installation Instructions
WST LED 2016 Premium Back Box
figure 3
figure 2
