The adapter will not fit into normal standard recessed outlets. You may want to consult with your electrician for best possible options or try checking out a Flat Panel TV Connection Kit, which offers a larger opening.
One such flat panel TV connection kit is the Legrand Flat Panel TV Connection Kit
http://www.legrand.us/onq/audio-video/home-theater/home-theater-connections/ht2102-wh-v1.aspx