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I mixed up some power cables, new with old, and I'm wondering: does the voltage rating on the power cable matter? Say, if I used a 250v rated cable on my PSU as opposed to a 150v rated cable? (I see these ratings on the ends/heads of the cables)
The voltage a power cable is rated at means nothing. They're rated at a certain amperage at a certain voltage.. THAT is what matters. So a 240V 2A power cable is the same as a 120V 4A power cable because they both handle 480W.