Installation Guide
24
LIGHTING
NOTE: Construction methods are always improving. Please refer to www.trex.com for the most up-to-date installation requirements.
10.  Slide light cover down over backing plate, adjusting 
 mounting screws as necessary to achieve a tight fi t.
11.  Turn post over and carefully fi sh wire through hole 
 created in Step 3 to underside of the deck. Ensure 
 exit point of wire under blocking will not be pinched 
 by ALPOSTHWDECK plate.
12. Mount post per instructions.
NOTE: If connecting a Signature post cap light as well, 
a 3-way adapter and extra 5' male-to-male wire (not 
provided) can be used inside the post so that only one 
wire must be run through the hole in the base of the post 
(and post blocking). This is optional.
6.   Turn post upside down and fi sh 5' male-to-male wire 
(provided) through hole in baseplate.
7a.  If connecting a Wedge Deck Rail Light only, pull wire 
through hole.
TIP: Insert a zip-tie loop (or small grabber tool) through 
9/16" (14 mm) hole. Fish wire through loop in zip-tie. 
Pull wire through hole with zip-tie.
7b. If connecting a 
Signature post cap light 
as well, and using the 
3-way splitter (see note 
after Step 12), simply 
run one wire through the 
hole created in Step 5 
to the top of the post.
8.   Connect male connector to female connector on 
light housing.
9.   Place light and attach backing plate to post with 
three screws (provided).
6
8
10
3
7a
1
2
7b
5' Male-to-Male Wire
(from Post Cap)
5' Male-to-Male Wire
(from Post Lamp)
5' Male-to-Male Wire
(from Baseplate hole)
3-Way Splitter
1
9
2
11
HOW TO INSTALL TREX WEDGE DECK RAIL LIGHT/CONTINUED










