• RegalPotoo@lemmy.world
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    3 months ago

    It’s not that it won’t work - polarity doesn’t quite work like that in AC systems - it’s that as soon as you plug in one end, the other end has a pair of exposed metal contacts with mains voltage between them. One mistake, touching the contacts or having them come into something metal (like the ladder you are using to hang the Christmas lights) and someone dies