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TN ring mains in hospital theatres

MS01
Is there any issue with installing a TN ring circuit in hospital operating theatre?


I appreciate Medical IT circuits are in a radial wiring pattern and ultimately any medical equipment is plugged into these circuits, but i'm talking about the 2  /3 TSSO's in the space that are for PC use?  


Within BS 7671 clause 710.415.2.3 which talks about earthing there is a note which states:- It is recommended that radial wiring patterns are used to avoid ‘earth loops’ that may exacerbate electromagnetic disturbances.


My question is do these TN circuits need to follow this radial pattern or can ring mains be installed? 


Matt
  • Former Community Member
    0 Former Community Member
    Sure - I saw "theatre" and something with "SS" in it and immediately though Sterile Services Department or Decontamination Unit   - then I re-read it and the penny dropped.


    Rule 1 - put all the acronyms in a glossary at the beginning of the post !!


    I've now got a mental image of the slashers and gassers clustered around a PC googling "how to undertake cardiac massage" ?


    Regards


    OMS

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