Terracina Three-Light Vanity Lamp - Polished Chrome with Opal Glass

The Terracina Vanity collection combines transitional elements with a elegant polished chrome finish. Frosted opal glass shades allow for radiant yet softened light. The collection is available in one and two light sconces or three and four light vanity fixtures. 8-Inch High by 22-Inch Wide by 7-Inch Deep Polished Chrome Finish with Frosted Opal Glass Uses 3 Medium Base (E26) Bulbs (100W Max) - Bulbs not included 1 Year Manufacturer Limited Warranty What are the dimension for the rectangle back plate that go over the wires?the back plate measures 8" x 4.75". Does his have a power plug?It is only hard wired Can i rotate the light ?Yes, this can be used and an up light or a down light. Is it possible to use wall switch w/dimmer for this fixture?Yes, this light is dimmable with a dimmer switch and a dimmable light bulb.