Sound Homebrew Supply in Seattle has had a few homebrew canning sessions. I believe that Northwest Canning had a mobile unit they just brought to the store. I think the price was about $45 for a corny's worth of brew. Blammo! Container transmogrification.
Here's a video if the line in...
I attached the ground to the body of the element itself, as well.
I just drilled/ tapped a small hole and attached my grounding wire with a ring terminal. No need to drill another hole in the kettle. A pvc end cap will fit over the whole thing which makes it look pretty clean. There is no...
Depending on your requirements, this could be all you need. I've been happily brewing 5 gallon batches (~6.5 gallon preboil) in a converted keg on 120v with a 2000w element for over a year. The keg is not current controlled and is heavily insulated. There is just barely enough power to reach a...