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Maestro LED Dimmer 3-Way 4-Way Install Tips
Warning: Shock Hazard. May result in serious injury or death.
Turn off the power at the circuit breaker or fuse before installing.
Before You Begin
Before installing your Maestro LED+ dimmer, have the following items available:
Maestro LED+ Dimmer and Companion* Flathead Screwdriver
* In a 3-way installation a mechanical switch can be used in place of a Maestro Companion Dimmer if the mechanical switch is rewired, and the dimmer is reprogrammed for use with a switch. Only one Maestro LED+ dimmer can be installed in a lighting circuit. To dim from more than one location, install Maestro Companion Dimmers.
I want to install my Maestro LED+ dimmer with a…
(Switches/dims light) (Switches light on/off)
When wiring in a 3-way use only one Maestro LED+ Dimmer (MACL-153M*) with one Maestro Companion Dimmer (models: MA-R*, MA-RR*, or MSC-AD*) or one existing 3-way mechanical switch.
When the Maestro LED+ dimmer is installed with a mechanical switch, you must rewire the mechanical switch with the included yellow jumper wire and program the dimmer for use with a mechanical switch to function properly. Click here for steps on programming your Maestro dimmer with a mechanical switch.
For 4-way wiring, you must use only one Maestro LED+ Dimmer and 2 or more Maestro Companion Dimmers (models: MA-R*, MA-RR*, or MSC-AD*). This dimmer will not function in a 4-way with any mechanical switches.
*Base model numbers are shown. Characters that appear after the model numbers listed above indicate the packaging or color of the product. They do not affect how the device operates or installs.
Click a link below to view available Maestro LED+ dimmer installation resources:
The Maestro LED+ dimmer can be installed at the line-side or the load-side electrical box in a 3-way with a Maestro MA-R, MA-RR, or MSC-AD companion dimmer.
Only one Maestro LED+ dimmer can be installed per lighting circuit. The other location must use a Maestro companion dimmer.
The Maestro LED+ dimmer can be installed in any wallbox in a 4-way with Maestro companion dimmers. It will not function if installed in a 4-way with mechanical switches. Click the link above for more information on installing Maestro devices in a 4-way.
The dimmer can be installed at either electrical wallbox when installed in a 3-way with a mechanical switch. If the existing switch is not rewired and the dimmer is not reprogrammed the dimmer will not function properly.
Multiple MACL-153M Dimmers
Only one Maestro LED+ dimmer can be installed in a lighting circuit. For additional control locations, install Maestro companion dimmers (for 3-way and 4-way installations) or a single three-way switch (for 3-way installations only).
Looking for more detailed information about Maestro dimmers? Click here to review the Selecting a Maestro Dimmer article for additional product specifications.