I'm sure you guys will crack it instantly.
I'm replacing a light and the switch that controlled it. I removed the
switch first. The switch connected a black and a white wire that came
in the same sheath. The white one was hot. (I know that sometimes this
means something, but what?)
Then when I removed the light I discovered that it, too, had a black
and a white wire connected to it, and the black one is hot. Now that
the light is disconnected, the black whire is still hot, but the wire
that used to be connected to the switch is now dead.
There are no other wires in either electrical box.
I'm racking by brain, but can't figure out how everything was
Many thanks in advance!