A fun rabbit hole to dig into is how a transformer can have one wire going in, and three going out to your house. Where does neutral/ground go? How does the high voltage circuit complete?
Wow. Always hard to find reliable info on the electricity system.
This page covers way more than just utility poles. Very cool page, on a strangely named domain.
I was not able to find turbo encabulators on this web page. Other than that, very thorough.