All kidding aside, 115v (+/_) 50/60 cycle ac does a good job on hot
dogs...
I have an old cooker that will do a half doz. in one batch, must be
at least 50 years old..
When I was in Europe I used an old line cord salvaged from something
with a couple insulated gater clips attached to a couple SS forks, one
in each end of whatever "sausage of the day" that was to be served...
Worked fine and gave off a glow on each end of subject being cooked.
PS: Must use Stainless Forks otherwise you might get undesirable
electroplating on the item and their easy to clean...