[mythtv-users] OT: Wiring a new construction home for A/V, Ethernet, etc

[Dean Collins]

Lol I cant believe there is a code for pvc pull pipes.

That's such BS.

Wonder if there is a code for the table of how many times a builder has
to fart for installing 3/4" sheetrock.

 
Cheers,
Dean
 
 
> -----Original Message-----
> From: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> bounces at mythtv.org] On Behalf Of Steven Adeff
> Sent: Monday, 1 December 2008 5:24 PM
> To: beww at beww.org; Discussion about mythtv
> Subject: Re: [mythtv-users] OT: Wiring a new construction home for
A/V,Ethernet,
> etc
> 
> On Mon, Dec 1, 2008 at 4:56 PM, Brian Wood <beww at beww.org> wrote:
> > On Monday 01 December 2008 14:53:24 Steven Adeff wrote:
> >> On Mon, Dec 1, 2008 at 11:31 AM, Yan Seiner <yan at seiner.com> wrote:
> >> > On Mon, December 1, 2008 8:27 am, Matt S. wrote:
> >> >> Hi!  Sorry for the OT, but I figured that the topic ties into
this
> >> >> community pretty nicely
> >> >>
> >> >> Any advice, websites, books, etc out there for wiring a home
during
> >> >> construction?  I'll be starting to build my house in the next
month or
> >> >> so from the ground up.  I've pretty much got carte blanche on
what I
> >> >> can do, and I plan to do most of the wiring for cat6, coax,
phone,
> >> >> A/V, speaker, etc myself to gain some sweat equity, and I'm just
a DIY
> >> >> kinda guy - which I'm sure most of you on this list can relate
to.
> >> >>
> >> >> So... Where should I start?  I want to do it "right", and I want
to
> >> >> make sure that I'm futureproofing it as much as I can.  I've got
some
> >> >> general ideas and thoughts, and I'm no stranger to making
cables, I've
> >> >> just never done a full home setup before from the ground up.
> >> >
> >> > Don't run cable, run conduit then pull cable.  A 1" conduit can
probably
> >> > hold 3-4 cables comfortably.  Run it all to a central location
where your
> >> > hub/server will be with no more than 2 ells and you're golden.
> >> >
> >> > You can always pull cable later as needed.
> >> >
> >> > --Yan
> >>
> >> Good advice, as a note, don't have more than 360deg worth of bends
in
> >> the conduit, it makes pulling cable a PITA, and technically it's
> >> against code.
> >
> > Ah, CODE, that's the word I was waiting for on this thread.
> >
> > The codes also specify just how full you can stuff the conduit.
> >
> > Also, make sure you do not try and mix high voltage and low voltage
cables in
> > the same pipe.
> 
> not even to not try, DON'T.
> 
> > The codes specify how the concuit is to be attached to the
structure, what
> > type of conduit to use (rigid, semi-rigid, and various other types).
> 
> You can use RMC (Rigid Metal Conduit) (I assume by semi-rigid you
> meant FMC?) or PVC if your running in walls, for these cable runs
> since you can easily remove and insert cables later.
> I'd go with PVC since it's cheaper and you don't have to worry about
heat, etc.
> some code notes...
> For RMC:
> - All the cuts will need to be reamed (or in some way made smooth).
> - RMC shall be securely fastened within 3ft of each outlet, junction
> box, cabinet, etc.
> - RMC shall be supported at intervals not exceeding 3m (10ft).
> - RMC can be used as a path to ground.
> 
> For PVC:
> - can only be used in walls, floors and ceilings.
> - All the cuts will need to be reamed (or in some way made smooth).
> - PVC shall be securely fastened within 3ft of each outlet, junction
> box, cabinet, etc.
> - PVC shall be supported as required by table 352.30
> 1/2-1" = 3ft
> 1-1/4-2"=5ft
> - be careful of expansion/contraction in how you support. (4" in 100'
> of run at temperature variations over 100degF)
> - PVC cannot be used as a path to ground.
> 
> it helps being an Electrical Engineer for an MEP....
> 
> --
> Steve
> http://www.jobs-khakis-chicks.com/MythTV/
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