Ecobee 3 Lite Electrical Box Mount

This plate is for attaching an Ecobee 3 Lite to a vertically oriented electrical box wall opening.

Since the separation between the holes in the Ecobee-supplied wall plate and "backplate" are closer than those in a standard electrical box, I needed some kind of adapter plate.

This is a problem others have solved, but other designs include four holes, and that don't allow enough room for the electrical box mounting screw heads to clear the rear contours of the wall trim plate that came with my Ecobee. Maybe the design has changed, or maybe folks don't mind the interference, but I made one that has three holes, using the upper electrical box screw hole to secure this plate and the Ecobee trim plate and backplate.

Since the middle hole will have threads cut by the screw, I printed it in PETG with 100% fill and .25mm layers.

To install (after disconnecting power of course):
- Thread the wire through the square opening in this mounting plate.
- Screw the plate to the electrica