whilst I'm on the subject of our oven I thought I should just ask this to be on the safe side.
Our oven is plugged in to a normal kitchen socket with a 13A plug. I've done the maths and the current rating is ok for the fuse. However, the plug only accommodates live and neutral and no earth.
Should the oven casing be connected to the earth pin in the plug? There is an earthing screw point on the oven chasis, but nothing connected to it.