Longer XO transformer power cord in the plans?
Gary C Martin
gary at garycmartin.com
Mon Jun 1 12:06:10 EDT 2009
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
>>>> All "travel adapters" (power outlet adapters) I've come across so
>>>> had no earthing so would be impossible to use (unaltered). Of
>>>> this wouldn't be much of a change as the current wall warts also
>>>> 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
>>>> 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
>>>> Actually, if you are able to use a standard plug (e.g. IEC-60320-
>>>> at the power supply end, above won't apply at all as it's usually
>>>> to get a matching cable, no travel adapter needed. :)
>>> +1 for inline adaptor its MUCH easier to exchange only the mains
>>> 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
>>> 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
>>> i would go which IEC-60320 C8/C9 which is used for half of the
>> 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
>> standard for other types electronics. C13 would be my favorite, if
>> 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
> 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
>>> power supply easier(cheaper?) meets EMC/FCC regulations.
>>>> I hope future XO versions will still have the same broad power
>>>> specs as the XO-1. It's been very useful already (e.g. cable-only
>>>> adapter", no voltage conversion or even voltage limit necessary).
>>>> CU Sascha
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