You need some sort of arrestor to take care of that. Feeling the line directly into your receiver isn't a good thing.
You'll need to show me what you mean and how it's done some day. I'm dumb about electrical stuff
Something like this:
https://www.proxicast.com/shopping/antenna-accessories/lightning-arresters/#
They're basically gas filled devices, you get anything more than your normal signal levels (aka lightning) the gas inside ionizes and conducts like a neon sign.
Huh, first time I've ever seen that. Most of the designs I've seen in ghetto ham sites shows a wire that has like a splice to a spike driven a few feet into the ground.
Not that it matters regardless. My little tecsun is broken and I can't afford a new radio, nor is there much to listen to in the US anymore, especially where I'm at