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Posted by Eigenvector on June 15, 2006, 9:15 pm
I usually call the stuff armored conduit, but I'm referring to the
galvanized tubes that wiring runs through. Is there a code reason why you
shouldn't use it to channel wiring through the walls?
I was thinking of it in terms of making it easier to pull the cable should
the need to pull come up in the future, as well as a way to protect the
wires from insects and rodents chewing on the cables.
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Posted by James \"Cubby\" Culbertson on June 15, 2006, 10:11 pm
>I usually call the stuff armored conduit, but I'm referring to the
>galvanized tubes that wiring runs through. Is there a code reason why you
>shouldn't use it to channel wiring through the walls?
>
> I was thinking of it in terms of making it easier to pull the cable should
> the need to pull come up in the future, as well as a way to protect the
> wires from insects and rodents chewing on the cables.
>
I cannot think of a code reason per se unless the wire will generate too
much heat inside the piping (called EMT) but it
will add considerable cost to the install. Why not just pull oversize
wires for those you think you'll need to upgrade later
right up front. I might add as well, that I'm no code expert so take my
words with a grain of salt.
Cheers,
cc
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Posted by Doug Miller on June 15, 2006, 10:22 pm
>I usually call the stuff armored conduit, but I'm referring to the
>galvanized tubes that wiring runs through. Is there a code reason why you
>shouldn't use it to channel wiring through the walls?
Not at all -- in fact, in some places (Chicago springs to mind), it's
required.
>
>I was thinking of it in terms of making it easier to pull the cable should
>the need to pull come up in the future, as well as a way to protect the
>wires from insects and rodents chewing on the cables.
Well, if you're going to pull cable through it, it better be big. Usually,
individual conductors are pulled instead.
Also make sure to observe the limitation on the number of bends between boxes
(no more than four 90-degree bends in one run).
--
Regards,
Doug Miller (alphageek at milmac dot com)
It's time to throw all their damned tea in the harbor again.
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Posted by on June 15, 2006, 11:51 pm
On Thu, 15 Jun 2006 18:15:07 -0700, "Eigenvector"
>I usually call the stuff armored conduit, but I'm referring to the
>galvanized tubes that wiring runs through. Is there a code reason why you
>shouldn't use it to channel wiring through the walls?
>
>I was thinking of it in terms of making it easier to pull the cable should
>the need to pull come up in the future, as well as a way to protect the
>wires from insects and rodents chewing on the cables.
>
A good compromise is ENT, AKA "smurf tube". It is that blue corrogated
stuff at the Home Depot. It is a fairly low labor factor wiring method
that is just a bit more than Romex to install. It still alows easy
changes. I used a mix of smurf and Romex in my own home, selecting
trhe places where I might change my mind. Smurf is also good for low
voltrage chases..
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Posted by on June 16, 2006, 9:54 am
I would say the amount of labor involved in running the conduit would
be the biggest problem. The plastic tubing around here (in LI) in not
allowed to be run inside walls... (guess if there is a fire they dont
want
you to die from the fumes if this stuff when it burns)
If you wanted added protection from rodents etc, why not just bx
(armored)
wire??? I'd recommend a nice 12/2 wire that can handle 20 amps
if you need it.
... Speaking of wire... WOW COPPER GOT EXPENSIVE!!!!
I was over at HD and noticed romex 250ft 12/2 for $$$102.00
2-3 months ago I bought bx for 81 for 250ft. Romex at that time
was $60.00.
Tom
Eigenvector wrote:
> I usually call the stuff armored conduit, but I'm referring to the
> galvanized tubes that wiring runs through. Is there a code reason why you
> shouldn't use it to channel wiring through the walls?
>
> I was thinking of it in terms of making it easier to pull the cable should
> the need to pull come up in the future, as well as a way to protect the
> wires from insects and rodents chewing on the cables.
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