Not sure if sparky's are the same all over but the last few I've gone behind wanna leave about 2 metre tails on every socket or switch just in case they need to move it a foot or two!! If I'm boarding or skimming its 99% that they ain't guna move em now, then the first thing they do is cut em down to about 7 inches when they connect em up!! I no its probly just to make more copper to weigh in but it's fookin annoying!! Is it just me being a stress head??