Recent posts in here suggest that ovens are arriving with plugs on
them and so there should be no problem there if yours comes with one
or you have to fit one.
The old hob will be connected to the wall by the usual hole and
tightening screw fixing. Remove the wall plate under the work surface
and switch the wires over.
Obviously not only turn the wall switches off but also disconnect at
the consumer unit before playing with the wires.
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