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Difference between revisions of "Talk:Electrical systems"

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(Two standards for two-pin plugs in Italy 7.5 and 10 amps)
(Laptops: section not needed any longer.)
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What other countries are using 110V ? [[User:Wojsyl|Wojsyl]] 05:09, 30 Jan 2005 (EST)
What other countries are using 110V ? [[User:Wojsyl|Wojsyl]] 05:09, 30 Jan 2005 (EST)
I don't believe it. Are there any laptops that require grounding ? [[User:Wojsyl|Wojsyl]] 12:47, 1 Feb 2005 (EST)
: I think what is meant is that some laptop PSU's come with a plug with a grounding pin, that will not fit in outlets, that are not grounded. Then you need an adaptor. --[[User:Elgaard|elgaard]] 13:52, 1 Feb 2005 (EST)
:: Still, seems weird. Have you seen a laptop PSU like this, where one could not simply replace the connecting cable with the plug ? Aren't we inventing things here ? [[User:Wojsyl|Wojsyl]] 17:30, 1 Feb 2005 (EST)
::: I would have thought so until I got my new Dell, which indeed has a 3-pronged plug, connected to the PSU with a weird-ass proprietary cable.  So evidently these exist. [[User:Jpatokal|Jpatokal]] 22:23, 1 Feb 2005 (EST)
::::They certaily do. I am traveling now and had to go to K-mart and buy a 3->2 plug adapter so I would not have to use my laptop in the bathroom (which have grounded plugs). Danish grounded plugs also have a pin, and can need an adapter. Of course you could cut off the plug and mount a two-pin plug. But you might prefer to ground it when you can, or you employer do not approve , etc. --[[User:Elgaard|elgaard]] 04:34, 2 Feb 2005 (EST)

Revision as of 09:42, 15 December 2007

Nice diagrams! Are you going to put in more soon? Here is a nice reference page for the plug configs. [1] Fuzheado 00:53, 1 Feb 2004 (EST)

What other countries are using 110V ? Wojsyl 05:09, 30 Jan 2005 (EST)


The italien diagram is misleading. The holes have a smaller diameter, which mean they cannot be used with all plugs that would work in the "continental Europe" outlets. --elgaard 22:48, 31 Jul 2005 (EDT)

Having used the two-pin plugs on a number of occasions in hotels in Italy, I have found that the Italians have two different standards for these plugs. I have been able to buy convertors for both here in the UK - once I understood the difference. "European adaptors" claiming (simply) to be be ""european universal" are being misleading. The two standards are "amperage" based. Either 7.5 amps or 10 amps. The 10 amp adaptors do not fit easily into the 7.5 amp receptacles, though they can be forced in and work. Possibly with damage to both plug and receptacle. The difference appears to be the pin diameter. The 10 amp pins have a visibly larger diameter. Quartic 11.32 30 April 2007 (BST)


The Israel diagram is also misleading. In 90 % of israel sockets, the two holes have semi-circular form, alowing them to be used with the "continental Europe" outlets. --jarondl 15:19, 2 Oct 2006 (IST)


That thing about testing voltage using a hairdryer, is that correct? I'd guess that if the engine spins fast despite being set to "Slow", this means it's fed 240V while set to 120V, not the other way around. Problem is, I'm easily confused so I thought I'd check here first before editing ;) {Peirz 23:02, 11 April 2007 (EDT)}

I have edited that section out. It could work if you know what you are doing, but would be dangerous if you make a mistake. Davidbstanley 03:23, 12 April 2007 (EDT)