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How do I find my Model Number?
Do you have the original packaging?
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If your product came in plastic packaging (a clamshell), you’ll find the model number on the front of the insert card, on the lower left corner. If your product came in a box, you’ll find the model number on the top of the box.
Most model numbers are 12-16 characters and start with a couple letters followed by a dash.
No packaging? No problem!
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The product number is on a label on the side of the dimmer or switch.*
If you’ve already installed the dimmer/switch, turn off the electricity and then remove the wallplate. Unscrew and remove the wallplate adapter, then unscrew the dimmer/switch and pull it out of the wall until you can see the label.
*Please note: The product number for Ariadni/Toggler dimmers is not on a label. It’s located directly on the front of the dimmer on the top left, or right below the on/off toggle.
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If you don't know your model number, try browsing for it here
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View support resources for the full range of Maestro designer light controls, fan controls, sensors and timers
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Can I use a mechanical switch with an MA-PRO?
No, a Maestro companion dimmer (model MA-R, or MSC-AD) must be used with the MA-PRO. Mechanical toggle switches are not supported.
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Can I use two MA-PRO dimmers in a 3-way application?
No, in order to dim from multiple locations, you’ll need one MA-PRO and one Maestro companion dimmer (model MA-R, or MSC-AD)
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Do I have to use a companion dimmer in a 3-way (two locations) application?
Yes, a Maestro companion dimmer (model MA-R, or MSC-AD) must be used with the MA-PRO for 3-way control applications. See the installation guide or wiring wizard for more details and installation diagrams.
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Do I need a companion dimmer for multi-location dimming and switching?
Not always, as it depends on the model number. Some products, such as the Maestro C·L dimmer, will work with a standard mechnical switch in a 3-way application. Other models may require a master and a companion device. Note: In a 4-way application, companion devices are always required.
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When installing a master and companion dimmers, does it matter where I put the master?
You can place the master dimmer in any location, as long as it does not have a white wire/screw terminal for a neutral connection.
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