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Discuss Advice on wiring 2 single ovens into an existing double oven wire to fuse box in the DIY Electrical Forum area at ElectrciansForums.co.uk.

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  1. Adam F
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    Adam F EF Member

    Location:
    Buckinghamshire
    Hi
    I have replaced a double oven with a single oven and a microwave/oven combi.
    The double oven was on its own wire to the fuse box, 40amp circuit breaker with appropriate cable. Both the new ovens say they are 16amp. Can i use a junction box on the main wire to goto 2 separate switches for each oven?
    Many Thanks
    Adam
     
  2. Andy78
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    Andy78 Trusted Advisor

    Location:
    Kingston upon Hull
    You should be calling an electrician if you are to perform any alteration to the fixed wiring in your house.
     
  3. westward10
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    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    I don't see why not but as Andy states get an electrician to enable a suitable means of connection.
     
  4. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Why do you need switches, at all?
    Or maybe you do not mean switches?
     
  5. Adam F
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    Adam F EF Member

    Location:
    Buckinghamshire
    I mean 1-Gang Cooker Switch with LED, i already have one for the first oven and would use another for the microwave/oven combi.
    As the circuit wire is 45 amp on a 40amp cb and both ovens together woukd be 32amp (2*16amp) this is why i think it is ok. just after confirmation, if it is ok then dont want the expense of an electrician as its easy to do
     
  6. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    How do you know the circuit is 45A.
     
  7. Adam F
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    Adam F EF Member

    Location:
    Buckinghamshire
    The cable is 6.00mm2 twin & earth with a 46amp rating. the circiut breaker states on it 40amp
     
  8. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    • Like Like x 1
  9. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    I very much doubt that cable is installed to a method where it will carry 46A.
     
  10. Adam F
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    Adam F EF Member

    Location:
    Buckinghamshire
    the cable goes directly to the consumer unit fuse, not sure that there is any othet method!!
     
  11. Adam F
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    Adam F EF Member

    Location:
    Buckinghamshire
  12. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Many factors can reduce the current carrying capacity of a cable.

    Including
    Cable grouped with others
    Installation method
    Ambient temperature
    Cable passing through thermal insulation

    And many more
     
  13. Hellmooth
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    Hellmooth Electrician's Arms

    Location:
    Livingston
    Business Name:
    CM Electrical
    With and answer like that you can see why it is advisable to get an electrician in! Was a funny reply though haha
     
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  14. telectrix
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    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    basically what is meant is that although the 6mm cable will carry 46A happily if clipped direct or in free air, this capacity canbe drastically reduced if factors affecting heat loss arfe involved. e.g. if you cover the cable in a foot of itchy-poo insulation, the current capacity will be down to around 25A.
     
  15. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    That told me:)
     
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  16. Taylortwocities
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    Taylortwocities Electrician's Arms

    Location:
    Oxfordshire
    Yes. We are not worthy. :bowing:
     
  17. westward10
    Online

    westward10 In echoed steps I walk across an empty dream. Electrician's Arms

    Location:
    Northamptonshire
    We are not at that.
     
  18. dmxtothemax
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    dmxtothemax Regular EF Member

    Location:
    Australia
    Business Name:
    David Haddock Electronic Repairs
    all he needs is 32A MAX,
    So should be ok !
    45A is theoretical capacity
    NOT required capacity.

    [​IMG]
     
    Last edited: Jan 9, 2017
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