Trade License Exam Information Exams are given for the following occupations: Electricians Telecommunications Hoisting Engineers Hoisting Restricted Mechanicals Plumbers and Irrigators Exams are given on a first come, first serve basis. Space is limited. Exams are accessible to the handicapped. Individuals requesting interpreter services for the hearing impaired must notify Professional Regulation at 401-462-8580 at least three business days in advance of the examination date. Exam Results Apply For a Retest Pay For a License Master License Exemption Form