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xia to Showerthoughts@lemmy.worldEnglish · 4 months ago

If you reverse the polarity of a fire-alarm, you get a fire-starter.

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If you reverse the polarity of a fire-alarm, you get a fire-starter.

xia to Showerthoughts@lemmy.worldEnglish · 4 months ago
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  • Iced Raktajino@startrek.website
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    4 months ago

    If you reverse the polarity of lots of things, you get a fire starter.

    • xiaOP
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      4 months ago

      …and likewise, many things stop working during a fire, making them rudimentary fire-detectors.

    • kernelle@lemmy.dbzer0.com
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      4 months ago

      AC goes brrrrrr

  • durinn@programming.dev
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    4 months ago

    I’m no electrician, but attaching the hot and neutral wires of an end appliance to the opposite wires of the power supply shouldn’t be a problem on a lot of bare bone, electromechanical hardware that don’t have logic units. Please correct and enlighten me, if you’re more knowledgeable! :D

    • 7eter@feddit.org
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      4 months ago

      swapping hot and neutral typically isn’t a problem - its alternating current anyway. However, most DC Appliances are sensitive to reverse polarity. Ever tried connecting a electrolytic capacitor the wrong way around? On the other hand many customer appliances have some kind of protection against reverse polarity.

      • durinn@programming.dev
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        4 months ago

        Thanks! You just nudged me down a fascinating rabbit hole: https://www.youtube.com/watch?v=eflB18WmbjM

        • 7eter@feddit.org
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          4 months ago

          that’s great to hear!

    • TranquilTurbulence@lemmy.zip
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      4 months ago

      Something as simple as an incandescent light bulb works either way. LED lights are picky about electricity.

      • call_me_xale@lemmy.zip
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        4 months ago

        Individual LEDs, yes; the rectifiers in most LED “bulbs” shouldn’t care.

  • 𝜯𝐞𝐡 𝜝𝐚𝐦𝐬𝐤𝐢@lemmy.world
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    4 months ago

    MANDATORY Fire-Starter watch/listen

    • jestho@lemmy.zip
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      4 months ago

      Twisted…

      • Viking_Hippie@lemmy.dbzer0.com
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        4 months ago

        Hey hey hey!

        • a_non_monotonic_function@lemmy.world
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          4 months ago

          I’m the fear addicted

  • kboos1@lemmy.world
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    4 months ago

    Home smoke detector, yes. Fire alarm, no.

  • the_grass_trainer@lemmy.world
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    4 months ago

    What if i want a Grass-Starter, or even a Water-starter? The first gym is tough with the Fire-starter.

  • redlemace@lemmy.world
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    4 months ago

    No Iceing conditions without warning.?

  • SolidShake@lemmy.world
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    4 months ago

    If you lick the wires first.

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