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

[Hadley Rich]

On Sat, 19 May 2007 10:42:55 yuri wrote:
> On 18/05/07, Noel & Di wrote:
> > It's important to maintain segregation of services - ie an insulated
> > insert in the double flush box to keep the coax and TPS apart -
> > otherwise all conductors & cables must be insulated for 230V to comply
> > with the regs.  The old 70's style point with integral ribbon socket is
> > contrary to the current regs because it provides inadequate segregation
> > of LV (230V) and ELV wiring systems.  Normally a minimum separation of
> > 100mm between power & data/Av with avoidance of parallel cable runs is
> > recommended to minimize EMI.
> > Noel
>
> What Noel said!
> The wiring rules (AS/NZS 3000:2000) don't allow these fittings in the
> same flush box unless the RG6 is insulated for 230V.
>
> The interference would be minimal. The shock hazard would be small but
> not small enough to satisfy electrical regulations.
>
> Bottom line - you just can't legally do it, even if it wouldn't really
> be a problem.

My apologies, I replied too quickly and didn't read the post thoroughly 
enough. I was referring to the interference factor only and *not* the legal 
factor. Didn't mean to spread mis-information.

hads

-- 
http://nicegear.co.nz
New Zealand's VoIP Supplier