The Plumbing program at Polytech Adult Education provides the related instruction required to complete a State of Delaware Plumbing Apprenticeship. Upon completion of this program and the required on-the-job training requirement, graduates are eligible to earn their Journeyperson credential through the Delaware Department of Labor. This four-year program, in addition to the required number of minimum hours, also qualifies graduates to take the licensure exam in the State of Delaware. Non-apprentice students may also complete the program as a certificate program.