Cubucle Lights
Mrs Irrelevant spent a considerable portion of 2019-2020 in the local hospital, and thus so did I. The corridor nearest the ward she was in had a set of four toilets, in each of which was a motion-sensitive light. During the day, when they were busy, the lights ended up staying on pretty much all the time. Not so at night.
It took me some time to work out, but I finally worked out what was so iffy about the light in cubicle 4... It would often fail to come on at night, whereas in the daytime it was fine. It turned out that if you activated the light in cubicle 3, then the one in 4 would work too. If 3 had timed out and turned off, then nothing you did would make the light in 4 come in. Obviously someone had wired it's feed up to the output of the motion sensor in 3, rather than having them all in parallel...
I did try to report it to maintenance, but I don't think they understood; it certainly never got fixed whilst I was visiting, and is probably still like that to this day.
Biting the hand that feeds IT
