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Why fuse in computer power cables(leads)

 
 





















nagesh_pandher@hotmail.com
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      01-10-2005, 08:00 AM


In India power leads for computers do not have any fuse in them, 5amp
or 13amp.

Do not know about USA but in UK these leads have fuse in them, mostly
5amp.

What can happen in a Computer that will cause fuse in cable to blow up?

HP sells its servers with power cable that cannot have fuse in the
cable.

What could be HP's assumption?

 
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CJT
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      01-10-2005, 08:16 AM
wrote:
> In India power leads for computers do not have any fuse in them, 5amp
> or 13amp.
>
> Do not know about USA but in UK these leads have fuse in them, mostly
> 5amp.
>
> What can happen in a Computer that will cause fuse in cable to blow up?


shorts
>
> HP sells its servers with power cable that cannot have fuse in the
> cable.


that probably varies by country to satisfy local laws

>
> What could be HP's assumption?
>

it's probably following the law

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Kevin R
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      01-10-2005, 09:18 AM

"CJT" <> wrote in message
news:...
> wrote:
>> In India power leads for computers do not have any fuse in them, 5amp
>> or 13amp.
>>
>> Do not know about USA but in UK these leads have fuse in them, mostly
>> 5amp.
>>
>> What can happen in a Computer that will cause fuse in cable to blow up?

>
> shorts
>>
>> HP sells its servers with power cable that cannot have fuse in the
>> cable.

>
> that probably varies by country to satisfy local laws
>
>>
>> What could be HP's assumption?
>>

> it's probably following the law
>
> --
> The e-mail address in our reply-to line is reversed in an attempt to
> minimize spam. Our true address is of the form che...@prodigy.net.


I think you will find the fuse is also there to protect the cable as well
encase its cut through or a short on the cable the fuse does not just
protect the computer


 
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Rheilly Phoull
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      01-10-2005, 09:57 AM

"Kevin R" <> wrote in message
news:_LrEd.21$...
>
> "CJT" <> wrote in message
> news:...
> > wrote:
> >> In India power leads for computers do not have any fuse in them, 5amp
> >> or 13amp.
> >>
> >> Do not know about USA but in UK these leads have fuse in them, mostly
> >> 5amp.
> >>
> >> What can happen in a Computer that will cause fuse in cable to blow up?

> >
> > shorts
> >>
> >> HP sells its servers with power cable that cannot have fuse in the
> >> cable.

> >
> > that probably varies by country to satisfy local laws
> >
> >>
> >> What could be HP's assumption?
> >>

> > it's probably following the law
> >
> > --
> > The e-mail address in our reply-to line is reversed in an attempt to
> > minimize spam. Our true address is of the form che...@prodigy.net.

>
> I think you will find the fuse is also there to protect the cable as well
> encase its cut through or a short on the cable the fuse does not just
> protect the computer
>
>


Dont forget the UK has a lot of ring main GPO ccts, so thats why they use
the fused plugtops.

--
Regards ..... Rheilly Phoull


 
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nagesh_pandher@hotmail.com
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      01-10-2005, 01:04 PM


> wrote:


> > What can happen in a Computer that will cause fuse in cable to blow

up?

CJT wrote:
> shorts


Short circuiting in a cmputer that is running continuously for years in
Datawarehouse should be very rare I believe.

 
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nagesh_pandher@hotmail.com
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      01-10-2005, 01:08 PM
In the environment of Datawarehouse chances of cable getting cut and
short circuiting should be highly unlikely.

 
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nagesh_pandher@hotmail.com
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      01-10-2005, 01:10 PM
Can you please explain "ring main GPO ccts"?
I am totally nontechnical.

Regards
Nagesh

 
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CJT
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      01-10-2005, 04:06 PM
wrote:
>
>> wrote:

>
>
>>>What can happen in a Computer that will cause fuse in cable to blow

>
> up?
>
> CJT wrote:
>
>>shorts

>
>
> Short circuiting in a cmputer that is running continuously for years in
> Datawarehouse should be very rare I believe.
>

That's why the fuses don't blow very often.

--
The e-mail address in our reply-to line is reversed in an attempt to
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ChipMIK
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      01-10-2005, 04:22 PM
CJT wrote:
> wrote:
>
>> In India power leads for computers do not have any fuse in them, 5amp
>> or 13amp.
>>
>> Do not know about USA but in UK these leads have fuse in them, mostly
>> 5amp.
>>
>> What can happen in a Computer that will cause fuse in cable to blow up?

>
>
> shorts
>
>>
>> HP sells its servers with power cable that cannot have fuse in the
>> cable.

>
>
> that probably varies by country to satisfy local laws
>
>>
>> What could be HP's assumption?
>>

> it's probably following the law
>

Probably due to India having Fault-current-relays? like rest of Europe,
not the deadly dangerous anitique system as in UK. Detects if current is
equal in & out of house (live & 0 wires)....if greater than treshold
(like if you grap the live wire, mine´s 30 mA) it trips & saves your
life.....not needing it to be a true shortcuirt.

Normally dont reply on such a X-poster...but hey why not might save his
life )))))))

Best regards

ChipMIK, expecting some serious shouting from you UK-guys
 
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Neil
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      01-10-2005, 05:47 PM
> Probably due to India having Fault-current-relays? like rest of Europe,
> not the deadly dangerous anitique system as in UK. Detects if current is
> equal in & out of house (live & 0 wires)....if greater than treshold
> (like if you grap the live wire, mine´s 30 mA) it trips & saves your
> life.....not needing it to be a true shortcuirt.
> ChipMIK, expecting some serious shouting from you UK-guys

Too true - my personal opinion is that the UK is an awful lot safer than the
US.
Current imbalance trips are pretty standard around here (south uk);
individually fused plugs; plugs that make it diffcult to disconnect by just
pulling the cable;
man sized 240V instead of the wimpy 110v ... ))
tee hee
Neil


 
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