Robert Green wrote:

From an outlet, maybe, but wired directly to the panel, red and black
will get you 240VAC. Wiring it a doorknob and killing someone may
get you 10 years to life for homicide. It's not allowed in any
jurisdiction that I know of. Now connecting the electrodes of a stun
gun to the doorknob won't kill them, but it will give them a buzz.

"Booby Traps" have been outlawed since at least the Magna Carta in 1216. The
reason is simple: There are any number of people who may enter your home
without your permission or even knowledge. Examples:

* A peace officer with a valid warrant
* A firefighter
* A child - children have no criminal capability
* A civil tresspasser