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Single Core (Shielded) LV Cabling for Audio Equipment

Adrian B
Hi All


Quick question regarding suitable cabling for LV supplies to Audio equipment.....

I have a client (Sound Studio Designer) who is insisting on the LV power cabling to serve many different types of Audio equipment being shielded.  Firstly, I have never specified anything of the sort previously, normally specifying 6491 or 6242 etc., so is there something out there that is suitable?  Secondly, has anyone had any experience in this type of installation, and if so, what are the thoughts on single core or multi core cabling with shielding?  I personally would have thought that shielded singles would be the preference, but what do I know, I am quite obviously not a specialist in this field.


Any advice/ help would be hugely appreciated as always.


Thanks


Adrian B.
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  • 0
    Morning Again


    Just following up on the comment made by Andy (Ajjewsbury)

    The much more usual approach these says is to have a single earthing system but with as many interconnections as possible - so you end up more with a mesh or grid of earth conductors rather than just a tree or ring - lots of metalwork bonded (whether required for shock protection or not) and possibly screens of small cables paralleled with a much larger conductor to ensure they're no damaged by large (e.g. fault) currents as well as reducing the overall impedance.



    I am familiar with EBB installations (equipotential bonding busbar), as used within Healthcare installations such as MRI's, CT Scanners etc., so can I take it that this is what you are suggesting (or very similar) is common practice in this instance?


    Once more, thanks in advance for any response.


    Regards


    Adrian B.
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  • 0
    Morning Again


    Just following up on the comment made by Andy (Ajjewsbury)

    The much more usual approach these says is to have a single earthing system but with as many interconnections as possible - so you end up more with a mesh or grid of earth conductors rather than just a tree or ring - lots of metalwork bonded (whether required for shock protection or not) and possibly screens of small cables paralleled with a much larger conductor to ensure they're no damaged by large (e.g. fault) currents as well as reducing the overall impedance.



    I am familiar with EBB installations (equipotential bonding busbar), as used within Healthcare installations such as MRI's, CT Scanners etc., so can I take it that this is what you are suggesting (or very similar) is common practice in this instance?


    Once more, thanks in advance for any response.


    Regards


    Adrian B.
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