Here is a commercial unit that makes you 5 long waffle corn dogs. The Yovtekc Commercial Waffle Corn Dog Maker is 1550W rated. It has an adjustable temperature range from 32 to 572F. It has a non-stick surface for easy cleaning.
This waffle corn dog maker has a stainless steel body. It weighs 7.5kg, so you can move it around fairly easily.