A voltage converter is a device used to convert the voltage of a power source to create a usable – and safe – power supply. Another word often used for voltage converter is voltage transformer although there are actually differences between the two. Voltage transformers are usually bigger in size and is designed for longer, continued use. A voltage converter will usually either double or cut in half the voltage, but some converters can do both.

Voltage converters usually come with plug end adapters that enable the conversion of the shape and size of the plug’s end. The plug adapter can be used without the converter if no voltage conversion is needed. It’s a good idea to carry with you a variety of plug end adapters because some countries have many different types of outlets. Two types of voltage converters are available. STEP UP Voltage Converter and STEP DOWN Voltage Converter. A Step-Down converter will take the 220-250 volt current used in most countries around the world and convert it to the 110-volt current used in United States, Canada and Mexico. This is useful to travelers of United States going overseas. A Step-Up converter will take 110 volt current and converts to 220 volt current to make international devices used in the United States.

So how to select the right Converter/Transformer for your device? It is recommended that travelers use a transformer that is rated at least 50% higher watt than that of the appliance with which you intend to use it. For example: A 500 Watt appliance should be used with a transformer of at least 750 Watts. Purchase a transformer that is at least 50% higher than the required wattage.

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