Dual voltage electronics can recognize and use American and European currents without a transformer. It’s popular in portable devices and will eventually be the standard. Check for a stamp or tag specifying “110V-240V” and never force a plug into an outlet.
Dual voltage is a term used to describe any type of electronic device manufactured to recognize and use American and European currents without the need for an additional transformer. The conversion is completed in-house with the item, so consumers with dual voltage devices need not worry about where they will or will not work, however, a plug adapter may be required to use the item outside the country of origin and ensure adequate security. This type of technology is especially popular in portable devices such as cell phones, electric shavers, and music players as it allows manufacturers to market their products to a worldwide audience rather than just a specific region. Eventually, industry leaders say all electronic items will be built to the dual voltage standard.
There are several ways to check if a particular item was built to meet dual voltage standards. There is normally a stamp on the plug itself or a piece of laminated paper attached to the lead which will give the accepted voltage rate. If the tag only states 110 or 240 volts then the item is not dual voltage, but if it is specified as “110V-240V” then it should work on the various power sources around the world. This information should also be printed somewhere on the electronic item itself, sometimes under the battery cover or along the bottom of the device. The phrase “Wide Range Input” also specifies that the unit supplies dual voltage and will work anywhere.
Some electronic items are also equipped with a switch that will allow the device to operate on one of the two voltages, while most modern equipment does the conversion automatically by implementing a built-in transformer. If the switch is set in the wrong position it could cause permanent damage to the item or short-circuit the socket in use, so it is important to check that these types of items are used correctly. Many of the more common dual voltage items, such as hair dryers, irons, and televisions, come in both sizes, so it’s a good idea for people to check the method before buying.
There are dozens of different adapters and plug types also used around the world, and each of them requires a specific type of plug. Users should never attempt to force a plug into an outlet, whether the electronic item is dual voltage or not, as serious injury could result. Converters are usually inexpensive and can be purchased almost anywhere electronics are sold.
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