Oven off ring circuit

Discussion in 'Electricians' Talk' started by tore81, Oct 22, 2021.

  1. tore81

    tore81 Screwfix Select

    Hi all

    I am after some advice.

    I have a ring main in the kitchen. And have a socket above tower for fridge.

    Am I able to plug an oven in there? Also do I need any protective sheeting for cabinet etc
     
  2. tore81

    tore81 Screwfix Select

    Oven is a 2.4kw. I have a separate 6mm for the hob.

    the cooker has come with plug top.

    Any information would me much appreciated
     
  3. Bazza

    Bazza Screwfix Select

    The 2.4kW oven has a plug. Plug it in to the socket. job done.

    However, there is guidance in the regs that advises on how to reduce a single high current load on a ring final. One of they ways is for a load of more than 2kW to be on its own dedicated circuit. But the rest of us live in the real World. You should look at what other loads are on the ring final and judge if the ring might be overloaded, but generally it should be OK.
     
    tore81 likes this.
  4. Bob Rathbone

    Bob Rathbone Screwfix Select

    2.4 KW is the maximum load, it will not draw that much power for long before the thermostat cuts off the heater and unloads the ring circuit. Personally I would not plug it in, but that's just me. You will be OK to plug it in, as Bazza has suggested, check the loading on the rest of the ring. I was going to suggest the use of cooker diversity, but that's only for dedicated cooker final circuits.
     
    tore81 likes this.
  5. tore81

    tore81 Screwfix Select

    thanyou Bazza

    I have a washing machine, dishwasher and that’s it but they shouldn’t all be on the same time but is there a way for learning purposes

    I have a 6mm cable also behind the unit a feed then going off to the hob which is eventually going to be in an island.

    so would it be possible to have a socket with an isolated feed for the hob then it’s on the dedicated 6mm
     
  6. Bazza

    Bazza Screwfix Select

    That’s a bit like the “bang test”, you’ll only know if the load is too big when the MCB trips on Christmas morning.


    Yes! A much better plan.
     
  7. tore81

    tore81 Screwfix Select

    S 8180408C-7BEC-4C20-B711-DF543AD24E4C.png

    so by using one of these would I have the feed in to the isolator then feed out to the hob(supply)

    When you switch the isolator does it turn off the socket too.

    Will I be able to supply the oven and the hob with this. Technically need to Outs how would this work

    Thankyou for replies
     
  8. tore81

    tore81 Screwfix Select

    So would I need a double pole cooker switch?

    I need to supply a hob and plug in integrated oven.

    trying to explain clearer.

    I get the supply cable from the consumer unit will go in Supply and then my hob cable will go into load . Where is the cable for the socket part to energise the socket. If that makes sense
     
    Last edited: Oct 23, 2021
  9. Bazza

    Bazza Screwfix Select

    There is no regulation to say that you must have a cooker switch. As you are feeding (under the floor?) to an island unit then I would fit one.

    From the load side of the switch (above the worktop?) run a length of 6mm cable to a
    DUAL APPLIANCE CONNECTOR PLATE.
    To this connect the 6mm that will go to the hob on the island. Also connect a length of 2.5mm cable to the socket for the oven.
     
  10. tore81

    tore81 Screwfix Select


    Fitting switch in a cupboard above oven, and yes under the cabinet runs
     
  11. tore81

    tore81 Screwfix Select


    Great thankyou for reply answered a lot, but I’d need to chop the oven plug off then?

    thanks tore
     
  12. tore81

    tore81 Screwfix Select


    Apologies I think I get you.

    Would I not need an isolater in between.
     
  13. Bazza

    Bazza Screwfix Select

    No!!!! Read what I posted


    To clarify:

    Connect one end of the 2.5mm cable to dual appliance connector, the other end to the socket. Then plug the oven in.

    Also connected to the dual appliance plate will be 6mm cable to power your hob.
     
  14. Jimbo

    Jimbo Screwfix Select

    Would the cable to the socket be better in 4mm?
     
  15. Bazza

    Bazza Screwfix Select

    Why?. Anything plugged in to the socket will be limited to 13A.
     
    Jimbo and tore81 like this.
  16. tore81

    tore81 Screwfix Select


    Great so I should 3 cables in dual plate. X2 -6mm (1from isolator) and (1 to hob) 2.5 which I have to socket.

    Thankyou much appreciated
     
  17. Bazza

    Bazza Screwfix Select

    Yes
     
    tore81 likes this.
  18. tore81

    tore81 Screwfix Select


    Would I leave the dual plate behind the oven? Ease of termination.

    oven is going on a tall unit if you get me. Unless I terminate then drop behind.
     
  19. Bazza

    Bazza Screwfix Select

    Normally the oven unit will not have a back. The connection plate sits on a single gang box recessed into the wall behind the oven.
    You don’t need to access it afterwards.
     
    tore81 likes this.
  20. tore81

    tore81 Screwfix Select


    Cable is loose and not chased out atm, but I can chase out. Would it be ok to surface mount, the oven has a recess in the top so I will probably have room at the top


    My feed is coming down the wall behind unit, hob is coming up the wall and socket will need to go back up.

    Are the dual outlets able to go inline, or would it be ok to loop back as all behind a unit
     
    Last edited: Oct 24, 2021

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