[mythtvnz] RG6 cable and mains power cable fed through same junction box - interference likely?

[Andrew Ruthven]

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Hey guys,

The slow response isn't because I electrocuted myself while running new
cables, I've been busy with a 6 week old baby...

Anyhow, thank you the feedback, I'll hold off on installing the cable
for now.  The conduit with the water pipe isn't big enough for any cable
in there as well.

I'm tempted to pull out the water pipe since I'm not currently using it
- digging a trench for another conduit will be hassle (concrete paths
are involved).

In the meantime the computers stay in the house, the WAF may go down,
but she doesn't want to lose MythTV!

Cheers!

On Tue, 2007-05-22 at 21:29 +1200, yuri wrote:
> On 21/05/07, Noel wrote:
> > DON'T do it.  RG6 is NOT insulated for installing with mains cables.  I=
f
> > your water-pipe conduit is large enough run your new cables through
> > that.  Otherwise get digging !!
> > Imagine if the 230v cable has had it's sheath damaged by the drawing-in
> > of the phone cable (I've seen this many times before) and the insulatio=
n
> > is only just intact.  Now it would be scary to think of the consequence=
s
> > of livening up the braid of you RG6.
> > PLEASE DON'T GO THERE
> > Noel
>=20
> Again, what Noel said!
> The wiring rules, AS/NZS 3000:2000 clause 3.9.9.3 says:
>=20
> <QUOTE>
> Cables of low voltage [230V] circuits and cables of extra-low voltage
> [your RG6 in this case] circuits shall not be enclosed in the same
> wiring system unless:
>=20
> (a) The low voltage cables [230V] are of a type providing the
> equivalent of double insulation; or
>=20
> (b) All cables or each conductor of a multicore cable are insulated
> for the highest voltage present; or
>=20
> (c) The low voltage cables are installed in a separate compartment of
> a common cable trunking system and the compartment has fixed and
> continuous barriers.
> </QUOTE>
>=20
> Yuri
>=20
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>=20
--=20
Andrew Ruthven
Wellington, New Zealand
At home: andrew@etc.gen.nz       |  This space intentionally
                                 |        left blank.

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