LOL! Funny thing is, there is a form of corona that does destroy insulators. Corona Discharge Guys I worked with spent a couple months changing out glass insulators for these new polymer insulators. This was done on a 500,000 volt line... lets just say they didn't hold up to the intense amount of corona discharge that happens on the 500,000 line. When I was cool and did helicopter work, I saw first had what that stuff can do to steel. Linking the 2 insulators together is a steel "ball and socket" style joint. I saw the steel shaft with the ball on the end shrink to the diameter of less than my pinky. The original size was bigger than my thumb. It was NUTS!!!
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The power of high voltage lines is scary. Thanks for the link. After taking a look and reading this. {. A corona occurs at locations where the strength of the electric field (potential gradient) around a conductor exceeds the dielectric strength of the air. It is often seen as a bluish glow in the air adjacent to pointed metal conductors carrying high voltages, and emits light by the same property as a gas discharge lamp.
Now I totally understand, NOT. 😁🤷♂️
LOL - It should say "an electric arc occurs" It jumps from one conductive material to another. The insulating properties of the air can no longer stop it and it transfers to the other object.
I have always wanted to build a tesla coil... they look fun 😉
That was a crazy video. Your idea of fun is a hell of a lot different than mine.
Even when the nut job jumped, the electricity traveled from his feet to the ground.
That looks about as fun as hitting my thumb with a hammer.
Each to their own, and if you ever do build one of those death-defying contraptions, don't let the wife see you playing around with it.