Hello - any help appreciated!!

I took out my oven and hob out the other day - both were connected via separte wires (10mm, double insulated) to a junction box and then on a circut run to the main fuse board in my flat, where they have a 30a old style fuse (ie with the wire) with a switch above the hob, which turns them both on/off.

I have not installed my new oven/hob yet as - My new hob says that it needs a 30a fuse (so this is fine - i have also checked the width of the existing wire, and this is fine also)

But my new oven says 20a max!  My question is - would it be better to a) replace the fuse with a 20a and then hope that i dont blow it when i turn on the hob
or
b) have an electrician come round and run a separte wire to the fuse box + a new junction box to accommodate my new requirement of the 20a fuse for the oven
or
c) put them on the existing 30a fuse - but im assuming this may harm my oven as this says 20a max?

Is there some other way this could be done?

Thanks in advance anyone out there!

Jim

Thanks for your input - looking forward to hearing from someone else...

Thanks - does it not matter that the oven says 20a fuse max?  Im worried if i fuse above this then then oven may get damaged if i crank it up, or am I being really thick?

No flex, just stated 15a min, 20a max.

I need to cook a pizza tonite (lass coming round), i think ill wire it up and hope for the best.

It's my only option

Thanks!

(more advice welcome)

Hi

Yes, pretty sure it's all the ways back to the board...should i run with the 40-45a?

If you have a 30A fuse in the board then its a fair bet that the cable from the board is 6mm² not 10mm².  You must not change the fuse for a higher rating. Get a competent electrician in to check it out.

Although your two appliances could theoretically draw 50A they probably wont.  There's a thing called diversity. From your description I would expect the diversity calc to arrive at 30Amps (10 + 10 + 30% of 30 for those 'in the know').
Mind you, it could be more than that, depending on your utilisation - like Xmas day, when its all going full belt.
You are probably OK for now but take on site advice.

Bazza