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Maestro Digital Switch Installation MA-S8AM- Neutral Required

This article provides resources on how to properly install a Lutron Maestro digital switch. 


This article is expected to take 5 minutes to complete.

Knowledge Article Contents:

Before You Begin

1: MA-S8AM Installation

2: Frequently Asked Installation Questions

Related Articles

Before You Begin


Before installing your Maestro digital switch, have the following items available: 

Flathead screwdriver 

Phillips-head screwdriver   


Maestro Digital Switch

Prior to installation, confirm your wallbox contains neutral wires. The Maestro digital switch requires a neutral connection to function.


Note: Neutral wires are commonly identified by a bundle of two or more white wires capped off in the back of the wallbox. 

Here is a picture of a typical wallbox that contains a neutral connection (bundle of white wires):


MA-S8AM Maestro Switch Installation

The MA-S8AM digital switch can be installed in a single-pole, 3-way, or multi-location application. Only one digital switch can be installed in a 3-way or multi-location application.  Click on the links below for the available installation resources:


 Single-pole install (for lights/fans controlled from one switch)

 Three-way install with a Maestro accessory switch (for lights/fans controlled from two switches) 

 Multi-location install with Maestro accessory switches (for lights/fans controlled from three or more switches)

Frequently Asked Installation Questions


Can I use this in a 3-way or 4-way application?

The MA-S8AM can be installed in a 3-way or 4-way application with the Maestro Accessory Switch (Model: MA-AS). It can not be installed with mechanical switches in a 3-way or 4-way.


Note: The MA-S8AM must be installed on the load side of a 3-way or 4-way circuit; place the companion switches in the remaining locations. 


How does a Maestro Companion Switch wire in a 4-way if there are only 3 terminals?

In a 4-way location, two wires will be connected to the blue screw terminal. These will be the wires that are tied to the blue screws on the other two switches.


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Looking for a Maestro dimmer instead? Review the Selecting a Maestro Dimmer product selection article to find the right dimmer for your needs.