How to add neutral wire for MLV dimmer when none present? Impossible?

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tbeaulieu

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Hello,

I've added quite a few Lutron Casettas to my home and have them all tied in with my Wink controller. Easy peasy.

I've installed a 150W MLV driver in the cellar and am running a series of home run lines to the kitchen for cabinet lighting. Lutron's standard Casetta is not compatible with MLV, but their PRO version is, so I got it. What I didn't realize is that the neutral is required for MLV. My LED strips are flickering and I just noticed the fine print on the PRO, casually mentioning the neutral being required.

Well, I've got two 14-2 cables running into this switch box. With the standard Casetta I run hot/black into the switch and then the neutral/white to the lights and back to the neutral bar. I have the whites marked black coming out of the switches. This seems to suggest to me that I should have run a 3-conductor, but I didn't and honestly I don't think I could at this point, since the wall has been buttoned up and brick veneer installed. Ugh. I might be able to "dig out" the box and go with old construction for the replacement, but it's not something I want to do, at this point.

Am I dead in the water? Do I need to install a new switch box somewhere else so that I can run 3-conductor?

Thank you for any insight.
 
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