My wife and I have a home in Brazil, where the standard socket configuration is different from the U.S., using round plugs rather than the standard flat prongs on devices manufactured in (or more frequently now, for) the U.S. market.
I've installed dual pronged sockets in our home, which will accommodate both round (Brazilian) and flat (U.S.) pronged appliances and chargers, but have frequently run into a problem when trying to use multiple devices from both countries on the same power strip.
While it's possible to purchase power strips that will accept both plug configurations, these tend be very expensive, (more than US$20), compared to the relatively cheap power strips which can be purchased in the U.S. ($2 to $5 US dollars). So I decided to make my own, and here's how I did it.
If you frequently visit another country which uses a different type of plug then your home country, and you need to plug in devices with two different plug configurations, this Instructable may be helpful.
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• Power drill
• Screw driver
Step 1: Open the power strip
My power strip was held together by four small screws on the underside, one on each corner. Take these out, and gently pry apart the plastic top bottom, so you can get at the electrical guts.