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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.

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0 gkenyon over 3 years ago

davezawadi (David Stone):

I find that manufacturers' instructions are less and less satisfactory by the week. They are often written for multiple countries, whose supplies differ, without any account taken of this. They are often “get out of jail” kinds of nonsense. … They often require RCD protection which BS7671 may not. This is all very bad indeed.
I can't disagree with that, but this is nothing new.
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0 gkenyon over 3 years ago

davezawadi (David Stone):

I find that manufacturers' instructions are less and less satisfactory by the week. They are often written for multiple countries, whose supplies differ, without any account taken of this. They are often “get out of jail” kinds of nonsense. … They often require RCD protection which BS7671 may not. This is all very bad indeed.
I can't disagree with that, but this is nothing new.
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Range Cooker Connection Refusal.

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