I’m Australia electric and plumbing are the two licensed trades.
That’s cause they’re the two the if you mess up you do massive damage ( plumbing covers gas fitting )
If you’re a not a carpenter and screw up your kitchen you live in a shit kitchen.
If you do electric work turn in on and you have electried the frame of your house or you taps you die
If he had a little moustache he would remind me of a certain early 20th century comedian