This may sound a bit strange at first, but if you're building the room from scratch (something I've done). Hang all of your high end electrical outlets from the ceiling on the sides of the room. Also if possible, build in a rear access point if you can (like a hallway behind your gear). This has saved me many headaches! If you don't already know try to use dedicated breakers in your main fuse panel for each power outlet location, personally I use four separate breaker in my fuse box. I know a lot of people argue to have the power outlets in the floors, but, I have found this to only add to the clutter and trip hazards already around in such rooms. Another advantage of this idea is that it helps to separate power from audio lines thus reducing interference.
Building a house with dedicated stereo room-advice
Building anew house with a dedicated stereo room. The room will be built using ASC's IsoRoom system. It will also have dedicated lines and I will purchase high end plug in receptacles (advice here?). Anything else I should be sure to include? Please advise, particularly with the electrical distribution.