Nope just the same extension cord to my television. Including those early 1970's game systems. They all work, with no problems. Just a hint, Japan is only as real as the comic books we read.
Also lighting has struck the place I lived in, many times, and their is a fuse box obviously. What you should worry about if somebody comes and live with you who likes to play with the power box, and uses a blow-drying
every often. I have stuff from 1950-70 plugged in my walls, no problems.