As a Canadian when I first arrived in Colombia I was happy to see that the country uses the same kind of outlet as we do in my country and the United States. When I arrived in Ecuador I was happy to see the same, Peru was a bit tricky and then when I visited Chile and Argentina I realized that each country was using a different plug and not the one from home.
This may send people into a state of panic as they plan their holidays but it is really a mild inconvenience. Hotels were able to give me converters until I went to the market to buy one for a dollar.
This month a reader asked if I could help sort out all of the different requirements for each country including voltages and power outlets. While it may seem very complicated, this guide should help ease your worries. Read more about Electricity in South America: Outlets and Adapters.
Image Source: Wikipedia