Installing electric cooker

Hello. It all depends on the cable that's installed for it. The cable, the cooker switch and the breaker needs to be able to withstand 44.6 amps if that is the demand. Generally that will be a 10mm2 cable (depending on the run/grouping etc), a 45a isolator and a 45a MCB. You could potentially leave it as it is, but if the cooker draws more than 32a (so everything on the cooker is on) then it will trip the 32a breaker. Whatever you do, don't change the breaker without calculating whether the cable and isolator can take 45 amps. Murray

Yes, you need to change the Circuit breaker (fuse) to 45A. and check the cable if it is suitable to carry 45A current. 10mm2 cable would be suitable for 45A current load for any reference method used to erect the cable. if you have 6mm2 cable with reference method A (enclosed in conduit in thermally insulated wall) then you have to change replace the cable to 10mm2.

https://www.tlc-direct.co.uk/Book/6.5.2.htm Please see link... Which gives a 'fair' explaination on Diversity for cooker circuits... It can only be calculated once all the power ratings are known... Then any good sparky will now what size cable to use. Contact me if more details are needed.. Regards, Stephen

The diversity factor for domestic cooker goes like this: 45amps - 10 = 35amps x 30% =10.5 amps = the 10 you took of, = 20.5amps. That works well until Christmas morning, when everything is fired up! Allowances for Diversity The following table is typically used for when assessing the load of a group of circuits fed from a single distribution board or CU. Note that the total current value used is the total current after diversity has been applied - not just the nominal rating of the MCB or Fuse Purpose of circuit Diversity applicable (domestic) Notes Lighting 66% of total current Heating and Power 100% of total demand up to 10A, + 50% of the remainder. Where space heating is connected to a general purpose power circuit. Cooking appliances 100% of total demand up to 10A, + 30% of the remainder. Add a further 5A if a socket is fitted to the cooker point. Water heaters (instant) 100% of first appliance, 100% of second, and 25% of any remaining appliances. Water heaters (storage) No diversity allowable Under floor heating No diversity allowable Storage Heaters No diversity allowable Standard Circuits 100% of current demand of largest circuit. + 40% of demand for every other circuit. These are standard final circuits as described in appendix 8 of the OSG

Get an electrician round. Too many variables to consider for a lay person. Should prepare electrics prior to buying. Be prepared for a surprise moneywise.