LEGRAND Radiant Series User manual

installation guide
Smart Switch
WTRL10

2
table of contents
before you start..................................3
what you need ...................................4
installation and setup ................ 6–19
getting to know your switch ......20-21
specifications...................................22
faqs ..............................................23
regulatory information......... 24–27
warranty.......................................28
support ........................................29

3
before you start
Review this guide in its entirety before beginning device installation. Consult an
electrician with any questions or if you are unsure of your abilities.
DWarning: Incorrect installation could
result in death, serious injury, and/or
damage to your home or devices.
DCaution: To reduce the risk of injury
and/or overheating and damage to other
equipment:
• For dry, indoor use only.
• Do not use to power medical equipment.
• Not suitable as a disconnecting means.
• Do not use with loads exceeding the
device load rating (see page 22).
• Connect the smart switch to a
120 VAC, 60 Hz power source ONLY.
• Always use copper wire to install the
smart switch and follow all applicable
local and national electrical codes.
• Install in a non-metallic electrical box
to protect wireless signal strength.
Visit the Legrand website at www.legrand.us/radiant/smart-lighting.aspx to learn more
about your smart device.

4
what you need
REQUIRED:
Phillips-head screwdriver
Flat blade screwdriver
YOU MAY ALSO NEED:
Non-contact voltage tester, pliers, wire cutter, wire stripper, electrical tape,
flashlight, radiant®screwless wallplate (included), wiring leads (included), and
wire nuts (included)
NOTE: Exercise caution when using power tools. Overtightening the screws can
damage the device.

5

6
installation & setup
step one
|
turn off the power for your device at the
circuit breaker
Flip the existing light switch multiple times to confirm the power is off.
NOTES:
• If there are multiple devices next to your existing light switch, make sure power is
off at the circuit breaker for all of those devices.
• For three-way installations using a remote switch, follow the instructions for the
remote device (WTRL20).

7
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON

8
installation & setup
step two
|
remove the existing device
Check for the following wires:
1HOT or LINE: Receives power from the circuit box. Referred to as “Hot” for the
purposes of this guide.
2LOAD: Directs power to your light(s).
3NEUTRAL: Creates a path to return current to the power source when the
device is off. Required for your switch installation.
4GROUND: Provides a safe path for electricity in the event of a short circuit.
NOTE: Refer to “faqs” on page 23 if you are unsure of your wiring.

9
OFF
ON
OFF
ON
OFF
ON
VOLTAGE
TESTER
Load
Supply
“Hot”

10
installation & setup
step three
|
wire the smart switch
When connecting each wire, loosen the terminal screw, insert the wire into a
terminal slot, and tighten the terminal screw until the wire is secured.
1Connect the neutral wires to the WHITE terminal slots.
2Connect the load wire to any LOAD terminal slot.
3Connect the hot wire to any HOT terminal slot.
4Connect the ground wire to the green wiring lead on the device. Use a wire nut
to secure the wires together.
NOTE: If you need extra length on your wires, wire leads are included in your packaging.