The worst part is, if the sign only said the instant death part, it would be a worse deterrent. Like, despite how funny it is to also have a fine, it's a much more useful sign like this.
LOW LOW SUICIDE SPECIAL!
TOUCHING WIRES CAUSES INSTANT DEATH
ONLY $350 $200 TODAY THRU FRIDAY!!!
Your debts will be paid.
Yes, Saint Peter, I have to go back to pay a fine. -said no one ever
Sounds like a suicide booth with less steps.