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Discuss 7.6kW Induction Hob - need to select cable and fuse size in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
HOW MANY MORE TIMES?But for you to say that there is 100% no chance a 7.6kW cooker not tripping on a 32amp mcb is untrue.
All it takes is for the breaker to be soft and it probably would go.
Not actually blowing a fuse.Manufactures instructions aren't always true, have you never come across a 3kW immersion blowing a 13a fuse? because i have
What's that got to do with anything? 7600 / 240 = 31.7 & 7000 / 230 = 30.4
If you had even done that correctly you would have 7.6 x 4 = 30.4
In what other circumstances do you dismiss the regulations?
Are the regulations only for circumstances when you don't have a silly idea?
If you want but you're still wrong.
No Dave probably approx 6-8 metres all in to new oven placement when kitchen is fitted, but existing was 6mm into 45A switch then out to wall into an old BICC j.b. with 30A chocky block inside linking feed to old hob and old oven which was approx 4mtrs away in a unit so even then wasn't within 2mtrs of cooker switch ! I'm just trying to work out if I need to run a seperate 6mm to the new oven rather than existing 6mm to cover Induc hob & oven at total of 8.6kW ? As diversity on the oven inclusive of socket outlet incorporated in switch only drops it an amp or less. Running another 6mm would be a nightmare I reckon from CU.
Because the existing useable feed is a 6mm from a 32A RCBO so would be easiest to use the cable and possibly feed hob & Oven, would've thought it would be frowned upon to use anything smaller through a cooker switch which is 45A and therefore large terminals. Suppose could run out a 2.5 T&E from the cooker switch but.
At least with a 6mm it's more future proof.
Future proof how?
No of course not 6mm on 16A radials !
I think my point is being lost, right now there is a 6mm fed in, it was jointed in a jb and split to feed old hob & oven, I would like to feed new hob & oven with it and just locate the cooker switch to a position within regs. I had no idea if being induction hob would need full load rated to be calc and no diversity and as oven is seperate and singular there would not be diversity on it due to my understanding it's one element and so can't be diverse. It's themostatically on or off. So I was wondering if I need a new seperate radial run in for oven, and as Lee said I would rather go to 4-6mm if needed to cover any future larger load being fitted e.g. Customer decides they fancy a double oven later to cope with family and for instance 11kW.
Wtf? You are talking about running a new circuit from the CU in 6mm and fitting a 45A switch for a 4KW load?
Do you run all 16A radials in 6mm?[/QUOTE
If it was a new supply for an oven in lets say a kitchen extension to a property, then yes I would run it in 6mm with a 32A breaker on a 45A DP switch and socket. Best start using the push bike to get to work, will save the customer a few quid. FFS.
Reply to 7.6kW Induction Hob - need to select cable and fuse size in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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