It's actually relevent to everyone.
And as all new fittings are going to be date stamped, if you fi
something your not supposed to, or do any wiring yourself that need
building notice and you don't go through all the crap and expense tha
comes with it, and have a fire, your insurance company can and mos
probably WILL refuse to pay out.
The days of being a DIY electrician are out of the window