If three’s a crowd, what’s four?
Usually a Party!!!!
I remember the 90s as the age of the PC. The IBM PC came about in the 80s, but the 90s saw them everywhere. The VFD also took off in the 90s. They were around before 1990, but they really took off...
So True. It's everywhere. Residential, industrial and the worst is probably commercial.
Notice what looks like a light switch right next to the exposed conductors? Could easily overreach the light switch in the dark and be lit up.