New oven installation

[robv]

Hi all, so I've just bought my new oven/hob cooker and on the back of it it says power consumption 230V/240V~7600/8300W. This equates to 33.04A and 34.58A! So obviously I'm wiring it into the standard 32A wall outlet with the 6mm t+e cable provided. It doesn't seem safe to me that this appliance is going to overload the circuit. We have a big family and I will likely be using all 4 hobs and the oven at the same time so I will be drawing full current and not applying diversity often. Can anyone assure me this is safe or will I need to uprate the cooker circuit to say 40A with 10mm cable? Thank you.

 

[newfutile]

Diversity in this case is more about the thermostats which turn off the heating elements when at temperature.
So 10 amp +30% of the remainder assuming no socket

 

[kerching]

I doubt that the 6mm Twin and Earth cable is the correct method of final correction as stipulated by the manufacturers, but what do I know

 

[Mike P]

It always amazes me, that when you open the oven up, the cables are so thin!

 

[poni]

if you can do it with 10mm, then do it, remember the MCB is there for the cable, not what's connected to it

 

[binky]

It always amazes me, that when you open the oven up, the cables are so thin!

Heat rated insulation, but yeah, they certainly looks skinny

 

[robv]

So is it safe to just wire it up as it is and use it as it is? No overload issues if the stats are gonna be cycling on/off?

 

[truffle pig]

Yes

So is it safe to just wire it up as it is and use it as it is? No overload issues if the stats are gonna be cycling on/off?

Yes, assuming the cooker isolator switch isn't the type that also has a single socket attached, then it will be fine. if you have a smart meter you will be able to see your current draw when you are using it and im willing to bet you never get anywhere near the 7.6KW

 

[Phoenix]

I doubt that the 6mm Twin and Earth cable is the correct method of final correction as stipulated by the manufacturers, but what do I know

But you know as well as I do kerch, that most of them do seem to end up connected with T/E, and I can't ever recall having seen it result in a problem

 

[kerching]

But you know as well as I do kerch, that most of them do seem to end up connected with T/E, and I can't ever recall having seen it result in a problem

Yeah, but no, but yeah, but

Back in the day they were all in t&e, then someone decided on "responsibility shirking and get out of jail cards" and called it MI. Then we had to,comply with MI, and as ALL sparks are sticklers for adhering to every regulation that they make up “ ooooh look, RCBOs might not work backwards, we’d better change the regs " etc. I recall when H07was a special order, now it’s on the shelf ( but it’s easier to use )

Anyway, rant finishes. I’ve had a **** day sorting out pyro in corroded boxes

 

[SPECIAL LOCATION]

Hi all, so I've just bought my new oven/hob cooker and on the back of it it says power consumption 230V/240V~7600/8300W. This equates to 33.04A and 34.58A! So obviously I'm wiring it into the standard 32A wall outlet with the 6mm t+e cable provided. It doesn't seem safe to me that this appliance is going to overload the circuit. We have a big family and I will likely be using all 4 hobs and the oven at the same time so I will be drawing full current and not applying diversity often. Can anyone assure me this is safe or will I need to uprate the cooker circuit to say 40A with 10mm cable? Thank you.

What do the manufactures instructions suggest for the electrical connections?
(I know I have connected some ovens that did specifically state a 10.0mm supply cable is required..)

Also what are the installation methods for the cable, and length..?
are there any derating issues you need to take into consideration?

OSG does suggest that in some situations 6.0mm T&E is only good for 23.5A or 27A..!
whereas for the same installation method 10.0mm brings it back upto 32A and 36A..?

Assuming you have no direct guidance in the manufactures instructions saying that 10.0mm is needed..
And you are quite confident of the cable length and probable installation methods based on the age of the property etc..

Then it will probably be ok...
But without more info I don't think anyone can actually assure you it will be safe!?