this post was submitted on 15 Mar 2025
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Microblog Memes

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[–] oldfart@lemm.ee 9 points 1 hour ago

Finally, an usecase for USB irons!

[–] affenlehrer@feddit.org 11 points 3 hours ago

I've had a similar experience as a child. I live in Germany and found this voltage switch on a hair dryer. My thoughts were like: Switching it to less couldn't possibly hurt, could it? Well it could. It was super efficient though but only for a few seconds before it self destructed.

[–] RangerJosey@lemmy.ml 6 points 5 hours ago

Hey. If it works, it works.

Any port in a storm right?

[–] RisingSwell@lemmy.dbzer0.com 7 points 7 hours ago (1 children)

Why plug and unplug? Doesn't the wall outlet have a switch?

[–] Azzu@lemm.ee 25 points 5 hours ago (1 children)

I have actually never met a wall outlet with a switch.

[–] RisingSwell@lemmy.dbzer0.com 5 points 5 hours ago (3 children)

Really? Where are you for that? I don't have a wall outlet without a switch, and I've never seen one because why would it just be live all the time?

I'm in Australia for reference.

[–] Tenniswaffles@lemmy.blahaj.zone 24 points 5 hours ago

We're the exception, most places don't have switches on their outlets.

[–] Azzu@lemm.ee 10 points 5 hours ago* (last edited 5 hours ago) (1 children)

Germany. It's just live all the time, because why wouldn't it? If you plug something in, you want it to work. If you don't want it to work, you either plug it out (which works just as well as a switch, with the same convenience), OR you use the switch at the appliance because why would you try to reach the hypothetical switch at the wall outlet if the wall outlet is behind a drawer, under a table, or whatever inconvenient place? I use my remote control to turn the TV on or off, I don't physically walk to the wall power outlet.

[–] RisingSwell@lemmy.dbzer0.com 3 points 1 hour ago (1 children)

I can't turn my tv entirely off without cutting power to it because of the standby light. Same thing for my laptop. The switch is typically not hidden behind things because that is really annoying. Power switch in my room that I use is right next to my bed, can turn the light off without leaving bed.

Things that don't get moved don't get unplugged because why bother when you hit the switch and it's entirely off, and actually entirely off unlike what most of my devices do when 'off' but powered

[–] Anivia@feddit.org 1 points 32 minutes ago

Keep in mind modern TVs have very low standby drain, and if it's an OLED then unplugging it or turning off the outlet instead of letting it stay in standby will actually slowly break your panel

[–] nik9000@programming.dev 7 points 5 hours ago (3 children)

Looks like it's mostly a UK, Australia, and New Zealand thing.

[–] crazyhotpasta@lemm.ee 1 points 1 hour ago

I also have switches indoors for balcony/outside outlets. Finland.

[–] crmsnbleyd@sopuli.xyz 3 points 4 hours ago

India as well!

[–] damo_omad@lemmy.world 2 points 5 hours ago (1 children)

Wow I never knew this, I just thought it was normal to have a switch.

[–] gaiussabinus@lemmy.world 1 points 4 hours ago (1 children)

In Canada and the US its considered a light fixture for the purposes of light for an area to have a switched outlet. You are supposed to plug a stand lamp in, in that area that can be controled by the switch. That's how you can have a living room or hallway in a house with no light fixtures and dark as all hell.

[–] JackbyDev@programming.dev 1 points 3 hours ago

That's still a wall switch that's wired to an outlet. Some countries have switches on every outlet just built into them.

[–] melpomenesclevage@lemmy.dbzer0.com 36 points 12 hours ago* (last edited 6 hours ago) (5 children)

there's the STEM bell curve. XKCD shows the axes as 'how well your computer works' vs 'how well you know computers'. that is accurate.

but if you've ever known serious engineers who didn't just live boring white collar work-home-work-and-some-marvel-shit lives, you'll have seen things that make this look mild.

edit: and it gets really crazy when you're talking about a civil engineer. closest thing you'll ever find to an eldritch location.

[–] anton@lemmy.blahaj.zone 37 points 10 hours ago (1 children)

I think there's another one, where the right side references operating systems, and another without the graph that's along similar lines. long runners sometimes return to the same wells, I guess.

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[–] Rooty@lemmy.world -1 points 3 hours ago (2 children)

I hope this is a bs story for clout, you can buy universal power converters at airports.

[–] wd40@lemm.ee 2 points 1 hour ago

Universal power adaptors change pin configuration but not voltage.

[–] JackbyDev@programming.dev 10 points 3 hours ago

Don't those just make the plugs fit? Isn't that the point of the story?

[–] Xatolos@reddthat.com 49 points 13 hours ago (1 children)

Should have just left it in, and been able to get the soldering done twice as fast.

[–] betterdeadthanreddit@lemmy.world 13 points 9 hours ago (1 children)

New manufacturing hack unlocked: Install 240v outlets at workstations and fire half of the workforce. Golden parachute and douchey, hand-wavey TED Talk, please!

[–] affenlehrer@feddit.org 3 points 3 hours ago* (last edited 3 hours ago)

Elon knows more about manufacturing than any other person on earth, he said

[–] jpreston2005@lemmy.world 60 points 14 hours ago (3 children)

It's only stupid if it doesn't work

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[–] brucethemoose@lemmy.world 169 points 17 hours ago* (last edited 16 hours ago) (16 children)

Shoudn't it be 25%?

Current is not controlled here, resistance (aka the soldering iron) and voltage are.

Power = Voltage ^ 2 / Resistance. Double the voltage, that quadruples the power. So you only want to plug in 25% of the time to get the equivalent power of 120V.

But it might not melt at double power? Maybe the extra heat helps, I can't find a resistance/temperature curve for a soldering iron...

Source: EE dropout.

[–] homesweethomeMrL@lemmy.world 89 points 16 hours ago

nnnNNEEEEEEERRRRRRRRRd!

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[–] TomMasz@lemmy.world 11 points 11 hours ago

Reminds me of the time when I helped install some 120 VAC ceiling fans and the electrician* wired them to the 220 VAC line. They spun like a helicopter trying to take off.

*Worked for the local electric utility, we trusted him, foolishly.

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