If you travel outside of North America you'll quickly realize just how different we do things with regards to power. First, power in North America is typically around 110V, but can range from around 100V all the way up to around 125V. In Europe and many other parts of the world, a voltage of around 220V is normal. In the old days, prior to intelligent power adapters, if you plugged a device designed for 110V into a wall socket wired for 220V, you could pretty much kiss that device goodbye as it would likely fry with a puff of smoke. The same goes for razors, hair dryers, curling irons, etc. ...