badmojo wrote:What are you banging on about? I don't think I've seen PSUs of a certain age without that switch.
Yeah, I know. They did not always support flexible 100-240V voltage. I think I might have one of these 'switchable' PSUs myself on my old system. I still dislike them. It is just bad design that a switch in the wrong place can cause the entire thing to blow instantaneously.
I guess that it is still better than the hardware (such as power tools, large electronics, etc.) which is just designed with a single voltage in mind and cannot work at all on different grids without voltage converters.
Come to think about it, though - how was the situation with old laptops (from that era)? I think that even "back in the day" their power bricks were rated for 100-240V. How come desktop PSUs didn't bother? Was it too expensive to implement?
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