When I was a kid, one of my aunts told me about a guy in Cali (Colombia), who would make it a habit to climb utility poles in the city and steal the copper from the pole pigs - the ones that provide the drop to your house.
This was back when she was a youngin'
One night, he made a wrong move and ended with one of his arms half scorched and melted.
Rendered totally useless for life.