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Range Cooker Connection Refusal.

A lady today asked me to estimate to do some cooker circuit alterations in her house. She has an old electric range cooker in the kitchen which she is to replace with a new one rated at about 11.2kW.

 

A certain national electrical retailer would not connect up her new and paid for range cooker as the cooker supply is run in 10.00mm2 T&E and protected by a B50 M.C.B. plus R.C.D.

 

The reason given was that the supply is too big and will overload the new cooker.

 

The retailer insisted that the  B50 M.C.B. be replaced by a B40 M.C.B. and the final cooker connection from connection unit to cooker, be run in 6.0mm2, the 10.002 final connection being removed.

 

Comments please.

 

Z.

 

 

 

 

Parents
  • I have sat in meetings where it's been debated whether structured cabling should be permitted because it's de-skilling the trade.

    If it's so hard to provide a dedicated circuit for a fixed appliance, particularly where there are installation instructions or detailed protection requirements from the manufacturer, I am left considering wondering whether structured cabling is simply a response to a “plug and play” type of approach that some posting here seem to be working towards.

    I mean, we're already at the point, for single-phase installations up to 100 A maximum demand, where the majority (perhaps all) common circuit configurations are covered, and there's no need to do any calculation whatsoever. Just select the correct OCPD/cable combination and don't exceed the circuit lengths quoted in Table 7.1(i) of the OSG …

    Or am I missing something?

    Oh … yes … in this particular case we're discussing from the OP, it's probably not a “Part P competent person" organisation that's doing the job, and because it might need a new circuit protective device, they will need to “call an electrician in”.

    But at this point, the customer has already been given a quote for a few (perhaps countable on one hand) brown beer tokens for the “connection” of their shiny new product and isn't best-pleased.

Reply
  • I have sat in meetings where it's been debated whether structured cabling should be permitted because it's de-skilling the trade.

    If it's so hard to provide a dedicated circuit for a fixed appliance, particularly where there are installation instructions or detailed protection requirements from the manufacturer, I am left considering wondering whether structured cabling is simply a response to a “plug and play” type of approach that some posting here seem to be working towards.

    I mean, we're already at the point, for single-phase installations up to 100 A maximum demand, where the majority (perhaps all) common circuit configurations are covered, and there's no need to do any calculation whatsoever. Just select the correct OCPD/cable combination and don't exceed the circuit lengths quoted in Table 7.1(i) of the OSG …

    Or am I missing something?

    Oh … yes … in this particular case we're discussing from the OP, it's probably not a “Part P competent person" organisation that's doing the job, and because it might need a new circuit protective device, they will need to “call an electrician in”.

    But at this point, the customer has already been given a quote for a few (perhaps countable on one hand) brown beer tokens for the “connection” of their shiny new product and isn't best-pleased.

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