LAN and Telecom Cabling Cat5e cable running thru duct pipes???

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Subject Author Date
Cat5e cable running thru duct pipes??? djenka2 09-14-06
Posted by djenka2 on September 14, 2006, 3:43 pm
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I am planning to make a home network in already finished house. I was
wondering if it's OK to partially fish cat5e cable thru heating/cooling
dusct pipes (in order to make the least possible damage and drilling)?
If it's not OK, is there a solution by buying some kind of shield or
something so I can wrap network cable in to protect it from heat/cold?

Thanks


Posted by DLR on September 14, 2006, 6:02 pm
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djenka2 wrote:
> I am planning to make a home network in already finished house. I was
> wondering if it's OK to partially fish cat5e cable thru heating/cooling
> dusct pipes (in order to make the least possible damage and drilling)?
> If it's not OK, is there a solution by buying some kind of shield or
> something so I can wrap network cable in to protect it from heat/cold?
>
> Thanks
>
Bad idea at soooo many levels. Aside from safety issues, if you house
ever burns down, your insurance might not pay.

Unless you're on a slab with a flat roof, well it can be a pain but get
used to it. :)

Posted by Dmitri(Cabling-Design.com on September 14, 2006, 11:47 pm
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djenka2 wrote:

> I am planning to make a home network in already finished house. I was
> wondering if it's OK to partially fish cat5e cable thru heating/cooling
> dusct pipes (in order to make the least possible damage and drilling)?
> If it's not OK, is there a solution by buying some kind of shield or
> something so I can wrap network cable in to protect it from heat/cold?


Not a good idea at all. You will probably do more damage to the ducts
themselves pulling the cables through them. Additionally, how do you
neatly get in and out of a duct with a bundle of cables without
compromising air distribution that the ducts were designed for?

Also, think of upcoming duct cleaning ;-) well, maybe not this year but in
a couple years time you might want to get them cleaned and you don't want
cables on the way.

It needs a plenum cable that's about 3 times more expensive than PVC that
you could have put in the walls.

I would say it would be (much) easier for you to patch walls than ducts.

On top of that, do some social engineering at home: ask your significant
other if she (he?) wants that wall painted. The answer is almost always
'yes'! This way you get full access to the wall(s) you need outlets on and
a nice paint job over your patch (if required) when all is set and done.

--

Best Regards,
Dmitri Abaimov, RCDD
http://www.cabling-design.com/
Home Cabling Guide, Cabling Forum, color codes, pinouts and other useful
resources for premises cabling users and pros



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Posted by djenka2 on September 15, 2006, 10:12 am
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OK, thanks guys. I don't want to run cables through the ducts but what
if I just drill the hole besides the duct but so close that the grill
(register) will cover it (to use the same plywood cut/openning). It
that case the cable whould be totaly outside of the duct.
Do you think that's safe?

Thanks


DmitriCabling-Design.com wrote:
> djenka2 wrote:
>
> > I am planning to make a home network in already finished house. I was
> > wondering if it's OK to partially fish cat5e cable thru heating/cooling
> > dusct pipes (in order to make the least possible damage and drilling)?
> > If it's not OK, is there a solution by buying some kind of shield or
> > something so I can wrap network cable in to protect it from heat/cold?
>
>
> Not a good idea at all. You will probably do more damage to the ducts
> themselves pulling the cables through them. Additionally, how do you
> neatly get in and out of a duct with a bundle of cables without
> compromising air distribution that the ducts were designed for?
>
> Also, think of upcoming duct cleaning ;-) well, maybe not this year but in
> a couple years time you might want to get them cleaned and you don't want
> cables on the way.
>
> It needs a plenum cable that's about 3 times more expensive than PVC that
> you could have put in the walls.
>
> I would say it would be (much) easier for you to patch walls than ducts.
>
> On top of that, do some social engineering at home: ask your significant
> other if she (he?) wants that wall painted. The answer is almost always
> 'yes'! This way you get full access to the wall(s) you need outlets on and
> a nice paint job over your patch (if required) when all is set and done.
>
> --
>
> Best Regards,
> Dmitri Abaimov, RCDD
> http://www.cabling-design.com/
> Home Cabling Guide, Cabling Forum, color codes, pinouts and other useful
> resources for premises cabling users and pros
>
>
>
> --
> +----------------------------------------------------------+
> | http://forums.cabling-design.com/ |
> | *** a better way to USENET *** |
> | no-spam Web and RSS interface to your favorite newsgroup |
> | comp.dcom.cabling - 2913 messages and counting! |
> +----------------------------------------------------------+


Posted by Robert Redelmeier on September 15, 2006, 10:44 am
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> OK, thanks guys. I don't want to run cables through the
> ducts but what if I just drill the hole besides the duct but
> so close that the grill (register) will cover it (to use the
> same plywood cut/openning). It that case the cable whould
> be totaly outside of the duct. Do you think that's safe?

It is safe, but likely unsightly. It sounds like you're up
North with a basement/crawlspace and force-air outlets in
the floor for heating. (The South has no basements and puts
outlets in the ceilings for AC).

If you're going to run cabling in the basement/crawlspace,
the best way is to locate the interior walls (no insulation,
best to avoid plumbing), and drill upwards through the subfloor
and sole-plate into the studspace. Push cable up and grab
from holes cut in drywall for crimp-on low-voltage boxes.
Cover with wallplates and jacks.

If you have to do a second-story, it's best to find a
basement-to-attic chase and drop the second story cables from
the attic. Sometimes you can go through closets.

-- Robert


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