Originally Posted by
Ian W
In a machine room from my past, that no longer exists, a security guard groped for the light switch and powered down the research data center using the emergency switch despite its switch cover - rather obviously the lights did not come on although several smaller ones went off
. So the guard groped further and found the light switch and realized that the wrong switch had been used so switched it back on again and went on his way not realizing the chaos caused by the few minutes interruption and uncontrolled restoration.
This sounds like a similar occurrence.
I was thinking that it's not that easy to shut down a redundant UPS, then I read your post and recalled constantly having to stop visitors pressing the large (green?) button they thought would release the door lock. Eventually they were covered with a flap which helped a bit.