No person shall perform electrical work until a permit has been obtained and a copy has been posted at the job site or presented to the owner or occupant. The work must be done under the personal and technical supervision of a licensed Master Electrician or Master Electrician, Limited, or a licensed Refrigeration, Air Conditioning and/or Heating Contractor. No permit shall be required for in-kind/in-place replacement of existing receptacles, switches or lighting fixtures not exceeding a combination of five (5) devices per structure.