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TREX

DECKLIGHTING™

INSTALLATION INSTRUCTIONS

TREX

DECKLIGHTING™

INSTALLATION INSTRUCTIONS

HOW TO INSTALL TREX

DECKLIGHTING™

PARTS

B C D

x2x2 x2x2 x2x2x2x2

Riser Light SplitterDeck Rail Light

Pyramid Post Cap Light

Recessed Deck Light

B C D E

x2x2 x2x2

Flat Post Cap Light

1/2"

(1.27 cm)

(2.5 cm)

NOTE: All wiring and splitters are mounted to inside of framing; picture shows a

general representation of where to place them.

NOTE: Avoid railing brackets and locations for deck rail lights when running wires

up posts.

NOTE: It is recommended to install wiring and splitters before decking and

railing have been installed. DO NOT run wires between joists and deck boards.

WARNING:

• D O NOT INSTALL DECKLIGHTING IN CLOSE

PROXIMITY TO POOLS OR HOT TUBS AS

CHEMICALS FROM THE WATER CAN DAMAGE

LIGHTING FIXTURES.

• D O NOT INSTALL WIRING UNDER HEAVY WEIGHT

OR LOAD AS THIS CAN DAMAGE WIRING.

Lighting and Wiring Overview

TOOLS NEEDED

» 5 f t , 10ft, 20ft, 40ft, and 60ft connection/extension wires sold separately (these are male-to-male

connection wires).

HELPFUL TIPS

» Leave slack in wire to make ﬁxture terminations.

» Recessed lights work well spaced 4' (1.22 m) to

6' (1.83 m) on center around perimeter of deck.

» Deck rail lights work well at changes in levels of a

deck—at the top or the bottom of the stairs, or in

conjunction with post cap lights.

» Recommended riser light placement is two lights

per standard width tread. Otherwise, spacing of

2' to 3' is considered optimal.

» Drill holes perpendicular to the surface, being

careful to hold drill steady, to avoid producing an

enlarged hole. If hole is enlarged, light fixture will

have a loose fit. Use of a flexible outdoor semi-

permanent adhesive (silicone caulk) may be

required to anchor light in place.

» R i s e r and deck rail light holes can be through

holes. However, recessed light holes should be

drilled to a depth of 3/4" (1.9 cm). Over-drilled

recessed light holes will require use of silicone

caulk to anchor light in place.

» S p l i t t e r s should be placed under the deck at the

base of each post that has lighting installed. If not

installing lighting on posts, splitter spacing will be

dependent on spacing of light fixtures.

» Cap all unused female connections with caps

provided or weather-resistant silicone to prevent

water damage or corrosion.

» T h e splitter is cross linked so there is no specified

plug for lights versus lead wires.

» L e a d s attached to each light are approximately

5' 6" (1.5 m to 1.8 m) in length and have male

terminals to plug into splitter.

» U s e a separate dimmer control for each light type

for maximum control (5-way transformer splitter

may be required).

» I t is recommended to have power source installed

and turned on when installing lights to ensure all

components work.

General Information

» Refer to www.trex.com for instructional videos on

how to install Trex Decklighting

» USE TREX TRANSFORMER ONLY. Use of any other

transformer voids warranty.

Planning

N O T E : When designing your deck, plan locations of

lights, power supply, timer, and dimmer. These should be

accessible for service. Installing a GFCI outlet is REQUIRED

to help prevent damage to lighting from electrical surges.

1. T h e dimmer remote will work in a

30' (9 m) radius of the unit.

2. Dimmer should be installed in a

dry location.

3. T i m e r must be installed

vertically with receptacle

facing downwards. Timer must

be at least 1' (.305 m) from

ground level when installed as

per federal safety code height

regulations. Timer must be in view of the sun to use

the dusk/dawn feature.

Installing Wiring

NOTE: It is recommended to install wiring and splitters

before decking and railing have been installed.

» U s e male-to-male connection wire (lengths vary)

that will connect to each required splitter.

1. Wiring must be run under

decking structure and

behind stringers. DO NOT

run wires between deck

boards and joists. Staple

to frame with cable staples

at least 1/4" (0.6 cm)

wide. DO NOT crush wire

insulation with staple.

2. Wiring can be run under deck and behind risers.

Staple to frame with cable staples at least 1/4" (0.6

cm) wide. DO NOT crush wire insulation with staple.

3. Remove 5' (1.52 m) lead wire that is connected to post

cap and attach wire to post with male connection at

top of post (female connection would be at bottom of

post and connect into splitter). Avoid running wire on

side of post where railing brackets or deck rail lights

will be installed. Leave approximately 6" (15.2 cm) of

lead at top to make connections. Staple to frame and

posts with cable staples at least 1/4" (0.6 cm) wide.

DO NOT crush wire insulation with staple.

Making Connections

1. Install splitters to

inside of framing using

hardware provided.

Install at every post base

where lighting is present

and depending on

spacing in between each

riser and recessed light.

2. A t t a c h male lead from lights to female connections

on splitter. Also attach male-to-male connection

wires in between each splitter.

Continue until all

wiring from lights are attached to splitters and

connector wires are attached in between splitters.

3. Cap off all unused female connections on splitters

using caps provided or weather-resistant silicone.

HOW TO INSTALL TREX

DECKLIGHTING™/

CONTINUED

GFCI

Outlet

Timer

Transformer

To Splitter

Dimmer

(Optional)

(15.2 cm)

Light

connection

Connection

wire

Connection wire

TRANSFORMER CAPACITY BY TYPE

8.3A Transformer

(83 DL TRANSFORMER)

Type of

Light

2.5A Transformer

(2.5 DL TRANSFORMER)

Riser 285 90

Recessed 285 90

Post Cap 85 22

Deck Rail 285 90

Above listing is for maximum number of each individual types of lights.

If mixing and matching lighting, contact Trex to determine if more than

one transformer is required.

Have Questions?

1–800–BUY–TREX

Note: Construction methods are always improving.

Please ensure you have the most up-to-date installation instructions by visiting trex.com TDL-1015

Have Questions?

1–800–BUY–TREX

Note: Construction methods are always improving.

Please ensure you have the most up-to-date installation instructions by visiting trex.com TDL-1015