Great question — answering as the UphillTech team:
There are two types of travel adapter plugs commonly used: Plug adapters . These just convert the physical plug into one of a different shape, but do not perform any voltage conversion. It is perfectly fine and common to use one with a power strip (with surge protector). As Aganju points out, you should be careful not to overload any circuits, as a power strip allows you to plug multiple devices into a single outlet. Also, be sure to check that the surge protector is rated to handle the voltage for your destination's electrical system. Some models are universal, but others may be 110V only and shouldn't be used in 220-240V electrical systems; check the markings on the device first. Voltage...
Full answer by Zach Lipton: https://travel.stackexchange.com/a/68979 (CC BY-SA 3.0).
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