eBay Blue and Brown Out Cut-Out Receptacles
Plug n Play Villainous Voltage Protectors http://www.ebay.com/itm/282587373835?ul_noapp=true
Forum Discussion
Different devices different sensitivity and vulnerability. A refrigerator motor can withstand 90 volts better than a roof air conditioner. And most power bricks start to unravel at less than 90 volts. Too high a number and the complaints start pouring in...design is always a compromise.
