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Water distribution system installation: 1,000 hoursĭrain, waste, and vent system installation: 1,000 hoursĪ licensed restricted master plumber cannot certify their own work experience.

Water distribution system installation: 2,000 hoursĭrain, waste and vent system installation: 2,000 hoursĪpplicants who are licensed restricted journeyworkers or restricted master plumbers must demonstrate four years of practical plumbing experience, including:

More ways applicants can obtain practical work experience include:ĭuring military service and the applicant’s military officer certifies the experience orĪs part of a plumbing education class approved by DLI and an authorized representative of the educational institution certifies the experience orĪs a participant in an apprenticeship program in another state where the experience is certified by the state agency that regulates plumbing in that state.Īpplicants who are registered unlicensed plumbers must demonstrate four years of practical plumbing experience, including: To qualify for the journeyworker plumber exam, an applicant must have:Īt least four years of recorded practical plumbing experience as a DLI-registered unlicensed plumber orĬompleted a DLI-registered apprenticeship program orĪ current Minnesota restricted journeyworker plumber license or a restricted master plumber license and at least two years of practical plumbing experience gained while holding the restricted plumber license orĪ current plumber’s license from another state where the licensing jurisdiction requires at least four years of practical plumbing experience and an examination to qualify for licensure. Plumbing experience must be certified by the licensed master plumber responsible for the work performed. Not more than two years of practical plumbing experience from a state other than Minnesota will be credited unless the applicant first obtains a plumber's license in the other state.Īpplicants must verify their own plumbing experience. One year of practical plumbing experience consists of at least 1,750 hours, though no more than 1,750 hours can be credited for one calendar year. Applicants for plumbing license exams must have certified practical work experience.

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