The Slap is reserved for when all other venues have failed.
The first time you see an infant reach for a power outlet, you just take their hand and tell them not to touch that, because it'll hurt.
The second time, you take their hand away and say angrily that it'll hurt a lot.
After a few times of this, pretend anger turns into "is this kid brain damaged, or what?!" yells, usually carried out in the form of "NEVER TOUCH THAT!".
After a few more insistent attempts by the offender, a slap on the back of the hand suffices... no need to remove it from where it is. just slap. Immediate negative feedback associated with an undesirable behavior.
When you get your second kid trying the same stunt, you jump directly to what finally worked with the first.
Some people are fortunate, like me... my kids never found power outlets the least bit interesting...
Now, mobile phones... hmmmmmmm the bigger the screen, the better!
The first time you see an infant reach for a power outlet, you just take their hand and tell them not to touch that, because it'll hurt.
The second time, you take their hand away and say angrily that it'll hurt a lot.
After a few times of this, pretend anger turns into "is this kid brain damaged, or what?!" yells, usually carried out in the form of "NEVER TOUCH THAT!".
After a few more insistent attempts by the offender, a slap on the back of the hand suffices... no need to remove it from where it is. just slap. Immediate negative feedback associated with an undesirable behavior.
When you get your second kid trying the same stunt, you jump directly to what finally worked with the first.

Some people are fortunate, like me... my kids never found power outlets the least bit interesting...
Now, mobile phones... hmmmmmmm the bigger the screen, the better!