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Shielded fat wires . . .

 
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nuckollsr(at)cox.net
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PostPosted: Tue Mar 14, 2006 6:04 am    Post subject: Shielded fat wires . . . Reply with quote

Quote:
>Comments/Questions: Do you have #6 cable that is shielded? I need this for
>the Alternator charge cable.
>
>Thank You,


Quote:
Chuck,

There is no value added by shielding any part of the alternator
system. I know the Cessna drawings and perhaps others call for
it but it was never demonstrated to be beneficial when it was added
(about 1968) and only for reasons of certified tradition does it
persist today.

Bob . . .


At 02:03 AM 3/14/2006 -0500, you wrote:
Quote:
Robert,

Thank you for the information. This explains why I can not find this
shielded wire anywhere!!!

Chuck

Large shielded wire is generally a special order thing.
FAT wires typically carry large currents with a potential
for magnetic coupling of noise - something shield has
no ability to mitigate. On the other hand, high voltage,
fast edge signals tend to be conducted on smaller wires
and signals vulnerable to such antagonists are also carried
on smaller wires. Hence, you can find miles of shielded 20
and 22 AWG wires in warehouses.

Bob . . .

Bob . . .
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >


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