If you plan on traveling internationally, bring a power adapter that matches the plug standard for your destination. If you don't have the right adapter or need more than one plug adapter, you could accidentally burn your hair dryer.

Because there are so many different plugs and standards in different countries, it is important to check the labels. This will reduce the risk of accidentally buying the wrong adapter or forgetting an important converter.

Some important differences in standards between countries (or sometimes even within one country) are:

The two primary standards for current are alternating current and direct current. The American standard was developed during the famous war between Tesla and Edison.