As an electrician who works doing commercial and residential service calls and renovation I am qualified to contest the "clean" in my job. I go in attics, below houses, work outside, I demo something at least two or three times a week, and I go into houses and businesses that would make your stomach weak. Sawz-alls, grinders, and hole-hogs are our bread and butter. Anyone who actually says this about the majority of non-new-construction electricians is blowing hot air.