Tell the "electrician" that you are going to the Inspection Department. Then do it!
Tell the Inspection Department what you told us and ask them to go after him.
I would still go to court. Only I would ask for all the money you paid him.
I don't think he had any right to collect any money for doing non-permited work and I think a judge would think the same way.
Anyway you are going to have to get all the money back to hire someone else to do the work honestly!
The State should pull any licence he may have or fine him for doing the work without a licence/permit.
This is another reason why you get permits!
You were right to stop him for not having one. Honest electricians get permits.
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