Greg,
Do you have examples of this?
Taping and so-forth with any joints here, does not fly at all.
We vehemently hate wire-nuts down this way, because of the higher phase voltages we use (230V vs 120V).
I suspect that the term "Handy Shop Tricks" may give you an indication of how well skilled some of these folks are, where near enough is good enough, until it isn't.