Bob, I have worked a a variety of industrial situations. My own experiences confirm what the textbooks teach:
Safety is, first and foremost, a management concern. That is, management defines the 'culture.' Invariably, poorly run places also have terrible safety records. "Records" in the sense that lots of folks get hurt; management can ALWAYS point the finger elsewhere.
Peters (NOT the ESI guy) documented it best .... where management was held to account, accidents quickly became a thing of the past.
When it comes to bonus time, management is quite happy to claim their bonuses for any perceived improvement. On the shop floor, management has likewise always been quite ready to say 'my way or the highway.'
To me, especially in light of Oregon's licensing rules, it is simply inconceivable that an unqualified person did the work - or that a qualified person ignored his training - without the direct involvement of management. "Git Er Dun" is not something limited to "the Cable Guy."
Moreover, as I stated before, the enclosure would have contained the flash, had it been the correct enclosure. Only the 'professionals" ... equipment manufacturers, engineers, etc., get to make that call. Someone approved the wrong enclosure ... and someone else got killed.
Naturally, in such an accident, management suddenly has 'no idea' such practices were followed. I have witnessed this with two firms in the Reno area ... and can tell you for a fact that no line worker in either place could so much as go to the toilet without management's blessing.
Indeed, both places also deliberately sought employees who had little choice: illegals, prisoners, etc.
That's why I say "It's Judgment Day!"
