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Are RCD's Required?

Nano Brewery
Hi, looking to understand if an RCD would be a required regulation (and/or just highly recommended) in the following situation.  The additional cost of installing four or five 3-Phase RCDs is quite substantial and I would prefer to avoid it if still deemed as safe and not legally required.  Earthing system is TN-C-S.


For connecting up 4x Immersion Elements (9kW, 9kW, 6kW, 3kW) in Brewery Tanks I am looking at either:


A.  SWA Cable clipped direct to basket from the Control Panel to IP rated Plugs/Sockets mounted on the wall.  Then floating SY Cable (recommended by electrician) from the wall to the Tanks, which is about a 2m run.  Thinking Plugs/Sockets just to make life easy if I ever want to move things around and also for easier access for cleaning.


B.  Same as above but swapping the Plugs/Sockets for Isolators.


Look forward to your feedback and opinions.  Cheers.
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    I suggest you can certainly use SY with a CPC core so thre brad  is not your only earth, but do earth the braid - the strands can be combed and crimped to make an earth 'tail' if need be, depending on the fitting you are trying to connect to . It may not be on the regs approved list, but it is no worse that HOR or artic, and is a lot better in a hostile setting.

    regards

    Mike.
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  • 0
    I suggest you can certainly use SY with a CPC core so thre brad  is not your only earth, but do earth the braid - the strands can be combed and crimped to make an earth 'tail' if need be, depending on the fitting you are trying to connect to . It may not be on the regs approved list, but it is no worse that HOR or artic, and is a lot better in a hostile setting.

    regards

    Mike.
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