There was an incident in Norway recently where a school kid was unplugging an iPad, and the prongs came loose from the charger. This left exposed metal bits protruding from the live socket, and the kid has apparently reached in to remove them. Kid survived, thankfully.<p>From the images i found it looked like the assembly was basically pushed into the charger. There seemed to be some notched on the metal bits that would be inside, likely supposed to latch together during assembly, but i guess they could come loose if there was enough insertions and removal.