|Dimensions||1.1 × 18.125 × 18.125 in|
Seattle Ceiling Medallion18.125"H x 18.125"W x 1.1"D
Center hole 3-3/4″
The medallion goes on the ceiling first then the lighting fixture or fan is installed. Generally the hole in the medallion only needs to be wide enough to pass the electrical wires through. After the medallion is secured to the ceiling and the fixture installed the canopy is then attached to cover the hole in the medallion.