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It does not say "thread wire through first hole. Breath, focus, now thread wire through second hole. Double check that you did not pull wire out of first hole to thread through second hole. Wire must be threaded through both holes in order to be tamper proof. When twisting wire, ensure twisted portion includes each loose end and you do not (for example) twist one loose end around itself." Etc etc
It does not say the second because if you start going into that many ways to make sure the workers aren't fucking idiots, then you've hired idiots and you need to get rid of them before someone makes something that can get someone killed.