The heating element in an electric oven is indeed resistive wire but it
is buried in a heat-conducting electric-insulating mineral material and
buried inside the metal outer jacket. I believe that the heating wire is
welded to the terminals from what I've seen of broken elements.
Personally, I don't see any way that one could shorten the element and
have it work afterward, at least for any extended period. I certainly
wouldn't spend any of _my_ time and money trying.
But what is it you are trying to accomplish? Simply repairing an old or
odd oven broiler or are you trying to make something else?
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