This year's idiot award goes to...

Talk about anything in here.

Postby EricTheFred » Wed Feb 06, 2008 11:51 am

mechana2015 (post: 1197386) wrote:Amperage would still be far, far, far over the killing point, which is less than one amp. (As Eric noted, standard wall current is 15 Amps, and GFI application is much less likely.)

EDIT:
16 mA Maximum current an average man can grasp and "let go"
20 mA Paralysis of respiratory muscles
100 mA Ventricular fibrillation threshold
2 Amps Cardiac standstill and internal organ damage

EDIT... Still 13 amps on top of that, plus or minus the cycle variation on a standard wall circuit in europe.

As for Termyt, DC connections are VERY rare for wall current, even in europe. Some travel sites even discount their existence to mere myth, unless thats attached to some sort of car charger at the other end.

I think its a setup as well... or rather I hope so.


DC wall plugs exist, but to my knowledge only in off-grid sites. It's much more efficient when you are in a remote facility with a solar array to use DC, because the power is DC to begin with, and the battery storage is DC. When you use an inverter to create AC, you are throwing away energy, and many home apps just convert it back to DC at the 'wall wart', throwing away even more. So, for use in cabins or in RVs, you can find DC lighting, DC shavers, DC fans and evaporative coolers, even DC refrigerators and freezers.
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Postby mechana2015 » Wed Feb 06, 2008 12:01 pm

EricTheFred (post: 1197451) wrote:DC wall plugs exist, but to my knowledge only in off-grid sites. It's much more efficient when you are in a remote facility with a solar array to use DC, because the power is DC to begin with, and the battery storage is DC. When you use an inverter to create AC, you are throwing away energy, and many home apps just convert it back to DC at the 'wall wart', throwing away even more. So, for use in cabins or in RVs, you can find DC lighting, DC shavers, DC fans and evaporative coolers, even DC refrigerators and freezers.


Ahhhh... I wasn't thinking about the off grid stuff...
Cool to know that with reguards to the power conservation.

Dosn't seem like that sort of enviroment though...
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Postby Mithrandir » Wed Feb 06, 2008 6:42 pm

EricTheFred (post: 1197451) wrote:DC wall plugs exist, but to my knowledge only in off-grid sites. It's much more efficient when you are in a remote facility with a solar array to use DC, because the power is DC to begin with, and the battery storage is DC


Not only that, but traveling long distances using AC tends to lose more power than DC. For that reason, many of the large scale solar distribution concepts being bandied about generally require all DC electricity until a "last stop" relay station converts it back.
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Postby Warrior4Christ » Thu Feb 07, 2008 3:12 am

termyt (post: 1197143) wrote:It kind of reminds me of the attached picture. Can anyone tell me what's wrong with this picture?

The dude on the right is in danger of suffocating because he's not wearing a breathing apparatus?

Pascal (post: 1197324) wrote:
That voltage is 220.


Remember folks, its not the voltage... but the CURRENT that kills :P... ok so maybe its a little bit of both.

P = I * V

Where I and V are RMS voltages or root mean square voltages, when dealing with AC.


But:

I = V / R]I'm embarrassed to admit I didn't notice that. You're absolutely right.

That also makes the possibility of no GFI circuit even stronger (not as common there, not part of the building code in all locations, and they may not even have an outdoor socket at all. It isn't uncommon to see someone running a power cord out from an interior socket through a door or window, and indoor sockets are usually not GFI except in bathrooms and kitchens.)

I still don't trust the grin on the guy in the pool. This is a setup.[/QUOTE]
I haven't heard of a GFI before. I haven't even heard of an RCD before either. But I have heard of a safety switch though. Are they similar?
Wikipedia says:
"In Europe, the UK is the only country that does not mandate the use of RCDs. In contrast, Germany requres the use of RCDs on ALL sockets up to 20A which are for general use. This rule was introduced in June 2007 (DIN VDE 0100-410 Nr. 411.3.3)."
So it depends where in Europe. (BTW, how did you even identify the socket type? I need a higher resolution picture... and the weird dark lines make the socket look recessed..)
Everywhere like such as, and MOES.

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Postby EricTheFred » Thu Feb 07, 2008 11:13 am

In the US, an RCD is more commonly known as a GFI. Same critter. A 'Safety Switch' can be this or the simpler thermal circuit breaker.

Rules concerning use of these are very new in all countries, since they are fairly modern devices. Most houses will not have them in countries that have only recently started requiring them. In the US, they are required only in 'wet' environments (bathrooms, garages, outdoor sockets) in most building codes. Note in your quote, Germany only required them beginning 2007. I don't know what the rule was before. It may have been like the US, or there could have been no rule at all. For most of the history of home electricity in all countries, only fuses or circuit breakers have been required.

BTW, I couldn't actually tell which socket it was, but the shape of the plug housing is very distinctly not the U-shaped US standard. The wide bell shape is used sometimes in the UK and is fairly common in certain other Euro countries, when the foot print of the socket is round in stead of U-shaped or square. It looks like the typical French/German plug, but as I said, I couldn't tell which it was.
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May He cause His face to shine upon you.
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Postby mechana2015 » Thu Feb 07, 2008 11:53 am

I figured it out the way eric said. I was in europe for a month a while back and became well acquainted with the round, indented plugs that are used in Germany, Austria, Poland and elsewhere.

Interestingly enough, the bodies resistance is a constant up to 400 V (not applicably here) after which it becomes much less resistant if enough Amperage is present.
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Postby Angel Tifa » Wed Mar 05, 2008 11:33 am

bakura_fan (post: 1197003) wrote:these wonderful bunch of people.:) Who think that it's safe to float a power cord with flipflops in a pool. Alcohol and electricity do not mix. (actually i do find it slightly hilarious :sweat:)


Lol XD.
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Postby Kanerou » Wed Mar 05, 2008 12:43 pm

*looks at picture* :lol::lol::lol: Wow, that's great.
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Postby sharien chan » Wed Mar 05, 2008 12:54 pm

Ah man a possible new entry for the Darwin Awards ^_^
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