"Tesla was a tinkerer" When Einstein was asked what it was like being the smartest man in the world, he replied, "I don't know, you'll have to ask Teslla". There is a reason we were never taught about Tesla.. Once you understand that, you'll begin to understand much more.
The Big Misconception About Electricity
This vid goes quite a ways down the road to explaining why:
1) Power cords make a not so subtle difference.
2) Cable elevators should not be looked at askance.
Regards, barts