In the never ending saga of "TWO prior electricians owned this house and I've seen the most hack job electrical shit in my life."
There's a booster fan at the end of the house because the HVAC is at the complete polar opposite side of the house. Well, this fan was wired hot 24/7. All day, every day, night and day, day in day out, you have this fucking fan whirring away generating white noise. All day. All fucking day. All night. I was trying to figure out how to wire a relay to it and run the relay to the furnace so when the furnace fan kicks on, it kicks the booster fan on ONLY WHEN ITS NEEDED. Versus all day. Did I mention it ran all. fucking. day?
Well I realized looking at the main trunk, there's an air pressure switch and the booster is on the daughter trunk. So I start tracing this cluster fuck rats nest of 14/2 all over the basement and find out guess what? The fucking pressure switch USED to control the booster fan but was partially disconnected and I'm assuming because the dumb motherfucker wired it hot instead of as a switch. So any time to fan came on, I'm sure it tripped the breaker, they couldn't figure it out, so they just disconnected the switch and wired the fan hot.
Guess what, dumbass non-electrician me knows how to wire a fucking switch into a circuit and now the booster fan kicks on only when the furnace is on.
I'm actually afraid to start peeling back the drop ceiling and seeing the chainsaw abortion of wiring I CAN'T see and how much of it is dead ends that are still hot. Oh, did I mention the antenna tower next to the house had a live circuit going up the tower, into a conduit box that was open to the elements? Yeah, found that too.
Fucking hacks.
that's called the lightning energizer.