OK my apologies. Just checked my wall outlet modules out. They are Radio Shack # 61-2685, probably at least eight years old. I have no idea what prior X10 number that maps to. Sorry for the confusion. By the way if you have one of these and it's started to stutter when you turn it on I can tell you how to repair it.
Here's the verbal description of what I did to mine to fix the problem. When you open the unit up you'll find that the upper (stationary) contact in the relay has bent further away from the lower (moveable) one over time because of repeated use. Bend this down slightly so that it is closer to the moveable contact but not so close that it is on all the time. You may have to play with this a bit so that you don't get it so tight that the mechanism has a hard time working.
KEYWORD LIST: For searches. 61-2685, SR227, PA011