do i need to take a permit to change from 100 A to 200 A electrical panel
1 Drawn plans are not necessary to get a permit to do residential electrical work. 2  Drawn plans are not necessary to get a permit to perform residential electrical work, unless the service involves 400 amps or greater.3  Some building departments require a plan review for service over 400 amps.hen you call, you will be asked for the permit number, homeowner's name, project address, type of inspection needed, and date on which the inspection is desired. Be prepared to furnish detailed directions to the job site and a detailed description of the electrical work performed.