Local codes could vary widely, but there’s a concept of “light electrical” which allows unlicensed people/handymen to do certain jobs. Replacing lights, plugs,

Local codes could vary widely, but there’s a concept of “light electrical” which allows unlicensed people/handymen to do certain jobs. Replacing lights, plugs, and switches typically fall under that. Generally, if a permit is needed a licensed person has to do the work.