Re: I go bang!
"unfamiliar with the system."
Wut - this is possibly the most basic thing you can learn about electrical wiring!
Even being colourblind wouldn't be an excuse as the earth cables are stripey green/yellow wheras live and neutral are solids.
Should have got the sparky back in to test the earth prong with his tongue (or other sensitive protuberence).
Biting the hand that feeds IT
