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A comment on Why does the USA use 110V and UK use 230-240V?. Parent comment

Re:Why does the USA use 110V and UK use 230-240V? by mrguyorama on Tuesday August 29, 2023 @02:23PM (#37311815)
Cheaper and older power supplies typically have a switch to change the input voltage. DO NOT attempt to plug in and turn on a power supply set to 110v to a 240 volt socket.
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