My first attempts at house wiring were at the age of 6. Under supervison of my dad I moved a light switch that was too high up the wall. That meant chiseling a channel for the cable and hole for the new box, putting in the box and cable and hooking up everything. Finally I put a blank cover on the old switch box and that was it. A few years later I already rewired the entire room. There are some things I'd do differently now (like my plastering skills weren't that impressing back then, and now I'm tall enough to run the feeders horizontal and not sloping downwards even though the range stands in the way), but generally the wiring is up to code and looks a lot better than what was there before.
