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Electrical

Switching to Induction Cooker from Dual Fuel 6mm vs 10mm Wiring

Anonymous user 28/02/2024 - 4.03 PM

I'm assuming I have 6mm wiring, but have read that some induction cookers need 10mm. After reading the answers to similar questions, I think I am ok, but wanted to check with my specific details using language from the user manuals: Current cooker uses a "240V (50Hz) 30 amp power supply (single phase)" with a total rating of 6.4 kW for electric component. It's model name/size is still in use so I can't find full manual and only have an old brochure. New induction cooker would use a "230/400V ~50 amp 3N" connection with a maximum total electrical load at 230 V of 13.55 kW. Extra detail: The dual fuel version of new cooker would use a "230/400V 50 Hz" connection with a maximum total electrical load at 230 V of 6.95 kW. Would I need wiring work? Thanks in advance!

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3 Answers

DEACON ELECTRICAL SERVICES

Rating: 5 out of 5

Grimsby

With diversity applied you can have up to 15 kw on a 6 mm and 32 amp MCB. The above answer has not taken diversity into account at all. The formula is … The first 10 amps of the total load to be connected, add 5 amps if you have a socket on the cooker switch, then add 30% of the remainder. This is due to cooking appliances being thermostatically controlled and no chance of all functions being on at full tilt.

Answered16 February 2022

Jason Oliver Electrical Services

Rating: 5 out of 5

Bristol

The diversity is to be applied to the current demand for example 10 amps plus 30 percent of the remainder of the total connected load plus 5amps if the control unit includes a socket outlet Without socket :27.67 amps with socket :32.67 amps 6mm cable will be fine .

Answered16 February 2022

Nick O'Donnell Ltd

Rating: 5 out of 5

Norbury, London

You would apply diversity to the full load 10a + 30% of the remainder unless you have a socket on your isolator then it would be 15a + 30%. Diversity takes into account load management within the appliance, this means that although parts will have very high demand initially once they have achieved the required demand the load (heat) diminishes. 13.55kw with diversity applied is 26a so a 32a breaker and 6mm is fine but it would make sense to test it and ensure it is in good condition if you want to add some extra then install a 10mm but it isnt required under current regulations.

Answered16 February 2022