Longer XO transformer power cord in the plans?

Walter Bender walter.bender at gmail.com
Mon Jun 1 14:28:59 EDT 2009

The chart is of limited utility. For example, Argentina and Oz share
the same socket except that the pins are different lengths, so that if
you try to import an Oz plug into Argentina, you will get stopped in
customs. (Lesson learned the hard way.)


On Mon, Jun 1, 2009 at 12:06 PM, Gary C Martin <gary at garycmartin.com> wrote:
> On 31 May 2009, at 15:34, Reinder de Haan wrote:
>> Tiago Marques wrote:
>>> On 5/31/09, Reinder de Haan <rs at mveas.com> wrote:
>>>> Sascha Silbe wrote:
>>>>> On Sun, May 31, 2009 at 03:16:53PM +1000, James Cameron wrote:
>>>>>> 1.  Earthing.  The current design has no earth at the AC end,
>>>>>> and is
>>>>>> isolated in relation to the DC end.  An earthed AC plug in some
>>>>>> countries produces a more reliable and positive insertion and
>>>>>> anchoring.
>>>>> All "travel adapters" (power outlet adapters) I've come across so
>>>>> far
>>>>> had no earthing so would be impossible to use (unaltered). Of
>>>>> course
>>>>> this wouldn't be much of a change as the current wall warts also
>>>>> don't
>>>>> fit any adapter I've seen at shops. At SugarCamp in Paris, quite
>>>>> a few
>>>>> people (including myself) had "custom" ones, i.e. with mechanic
>>>>> alterations.
>>>>> Personally, I feel comfortable making minor mechanic changes to an
>>>>> adapter, but I won't usually dare using a non-earthing adapter
>>>>> with a
>>>>> device having an earthed plug (unless I know for sure this is
>>>>> safe).
>>>>> Actually, if you are able to use a standard plug (e.g. IEC-60320-
>>>>> C5/C6)
>>>>> at the power supply end, above won't apply at all as it's usually
>>>>> easy
>>>>> to get a matching cable, no travel adapter needed. :)
>>>> +1 for inline adaptor its MUCH easier to exchange only the mains
>>>> cable:
>>>> 1) when its demaged
>>>> 2) when shiping to a different part of the world
>>>> you would need only one powersupply brick for (almost?) all or the
>>>> world.
>>>> i have seen some companies ship a couple of different cables so the
>>>> device is usable almost everywhere and doesn't need to be custom
>>>> packed/country.
>>>> i would go which IEC-60320 C8/C9 which is used for half of the
>>>> laptops
>>>> today.
>>> Completely not the picture around this part of Europe. Most of them
>>> come with C13 and some are being sold with C7, which is pretty much a
>> oops i meant C7/C8 NOT C9!!
> This map appeared in my feeds today, a nice illustration of world
> usage (don't know how accurate it is, but seems good from what I know
> of):
>        http://www.eurocom.com/support/images/plug_map.jpg
> Regards,
> --Gary
>>> standard for other types electronics. C13 would be my favorite, if
>>> the
>>> size of the plug is not an issue, since it is also the standard for
>>> computer power supplies. As mentioned above, C5 would also be sweet.
>> both are an earthed connector and so 'require' an earthed outlet.
>> combined with that almost all power supplies i have seen with a C5/
>> C6 or
>> C13/C14 connect the earth input to the ground/0V dc output...
>> if you insert such power supply into an not earthed outlet (which are
>> quite common)
>> your whole laptop will be at ~1/2*Uin Vac due to the filter capacitors
>> in the mains filter.
>> which gives a nasty shock if you touch both a non insulated part of
>> your
>> laptop and a earthed object..
>>> As for safety, adding something like the cable plug of the original
>>> Xbox pads would work perfectly and it's not as expensive as Apple's
>>> magnetic plug. Cost of this is something I have no clue about.
>>> Best regards,
>>> Tiago Marques
>>>> i feel a earthed design only increases the risks, even more so
>>>> when you
>>>> cant depend on the quality of the mains supply.
>>>> the only advantage to the earthed design that im aware of is that
>>>> the
>>>> power supply easier(cheaper?) meets EMC/FCC regulations.
>>>>> I hope future XO versions will still have the same broad power
>>>>> input
>>>>> specs as the XO-1. It's been very useful already (e.g. cable-only
>>>>> "car
>>>>> adapter", no voltage conversion or even voltage limit necessary).
>>>>> CU Sascha
>>>>> ------------------------------------------------------------------------
>>>>> _______________________________________________
>>>>> Devel mailing list
>>>>> Devel at lists.laptop.org
>>>>> http://lists.laptop.org/listinfo/devel
>>>> _______________________________________________
>>>> Devel mailing list
>>>> Devel at lists.laptop.org
>>>> http://lists.laptop.org/listinfo/devel
>> _______________________________________________
>> Devel mailing list
>> Devel at lists.laptop.org
>> http://lists.laptop.org/listinfo/devel
> _______________________________________________
> Devel mailing list
> Devel at lists.laptop.org
> http://lists.laptop.org/listinfo/devel

Walter Bender
Sugar Labs

More information about the Devel mailing list