Adding Phono sockets to a screened quad outlet

6 Apr 2008
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United Kingdom
Good morning all.

I've added SAT1/SAT2/TV/DAB\FM screened socket outlets around the house and have recently decided to run cables for audio speakers.
I was thinking of mounting pairs of phono sockets in the corners of the outlet plates, running the speaker cables down the conduit that the SAT1 & SAT 2 cables occupy. The reason for this is, having recently decorated, I want to avoid chopping out another hole in the wall to accommodate an additional back box.

My concern is that of interference, and not having any experience in audio/satellite installations I thought I'd better ask someone who knows better.

The screened cables from all the quad outlets are going to a multiswitch which has a common earth bonding bar, the lug of which I plan to connect to the main earth (via a junction box on a nearby ring circuit). All the F connectors will be crimped.

Given that the coax cables (PF100) are screened and earthed at one end only and the outlets (PSW241) are fully screened, will I have interference problems on either the coax or (unscreened) speaker cables?

Many thanks in advance.

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