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Plumbers and Pipefitters

Certification, Licensing, and Special Requirements

Certification or Licensing

Most states require plumbers to be licensed. To obtain this license, plumbers must have two to five years of experience and pass a special examination to demonstrate their knowledge of local building codes as well as their all-around knowledge of the trade. To become a plumbing contractor in most places, a master plumber's license must be obtained. Several states require plumbers who work on gas lines to have a special license. Check with the state that you plan to work in to determine the requirements.

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