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RCD FCU?

Discussion in 'Electrics UK' started by matchdayblue, 3 Oct 2019.

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  1. matchdayblue

    matchdayblue

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    Hi - I currently have a 6mm radial (32MCB) to a 45amp cooker isolation switch (above worktop level) with a 6mm connection into a CCU. The radial runs under a timber floor, into a skirting duct then is clipped to the wall behind the units - No RCD protection. I want to replace the CCU with a duel connection plate then run 2 X 4mm T&E to 2no surface mounted back boxes (positioned on the wall behind the units accessed by a removable panel in the back of the kitchen base unit) for a 3kw induction hob with plug and 2.6kw oven with plug. Question is unswitched single socket outlets or cut plugs off and connect via RCD FC Units?
     
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  3. EFLImpudence

    EFLImpudence

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    You can do either, it's up to you (whether the sockets are switched or not in completely irrelevant) - or

    just cut of the plugs and connect both to the existing CCU. Replace the flex with 2.5mm² or 4mm² flex if you want.


    Will there be room for surface box and plug behind the oven?
     
  4. matchdayblue

    matchdayblue

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    No not enough room behind oven for surface mount and plug - Possible fused connection units or but could put in recessed boxes. Is there any benefit of an RCD FCU?.
     
  5. EFLImpudence

    EFLImpudence

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    Well - it's nothing to do with whether the RCD is in an FCU or socket or in the consumer unit.

    My personal opinion is that for an oven and/or hob - not really much benefit.
     
  6. matchdayblue

    matchdayblue

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    EFLI - Many thanks for your assistance.
     
  7. EFLImpudence

    EFLImpudence

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    Just for clarification -

    If you were installing a new cooker circuit, then an RCD would be required at source if the cable installation method required it (e.g. concealed <50mm. below surface) (and for all sockets and now all bathroom etc. circuits).
    No appliances are required by the regulations to have RCD coverage. Not even an electric shower (although a new circuit is) despite what some manufacturers' instructions state.

    RCDs are for the protection of persons (with a couple of exceptions) but are not the panacea they are made out to be, so if you want to fit one it is up to you.
     
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  8. SUNRAY

    SUNRAY

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    I'd suggest 2 single sockets (or a double socket if you can find one that's rated for 26A)
     
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