To prevent raccoon entering attic, electric fence is useless?

Raccoon has its smart access to my roof:: from ground, the neighbor's tree, wood fence ,, up wood pergola, then my gutter edge, gutter downspout, and then soffit, into attic. I viewed many websites and videos saying that the most effective way is electric fence. Question:1: Hot line and Ground line of electric... show more Raccoon has its smart access to my roof:: from ground, the neighbor's tree, wood fence ,, up wood pergola, then my gutter edge, gutter downspout, and then soffit, into attic.
I viewed many websites and videos saying that the most effective way is electric fence.
Question:1:
Hot line and Ground line of electric fence are separate, hot is high above, and Ground in down to ground.
Raccoon would not be shocked. ??
i.e. Raccoon would NOT touch the Hot and Ground at the same time??

Question 2: can I install the Hot and Ground lines side by side about 3 inches apart???
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