1. Give it to a child and have them "CHILD PRooF TEST IT"

2. Give it to an idiot and have them "IDIOT PRooF TEST IT"
I know of several ways to make a system idiot resistant, I know of no way to make it idiot proof.

A TRUE recent episode: The installer could not get a DB9 connector in becuase he had it upside down. Did he turn it? no, he took his pliers and flared the 'D'

Erik