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A plumber adjusts the piping below a sink

Plumbing Apprenticeship

The Plumbing Section of the Department of Workforce Development licenses all plumbers in Wisconsin. Plumbing apprentices fall under the jurisdiction of apprenticeship law and rules plus plumbing law and codes.

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A plumber assembles, installs and repairs pipes, fittings and fixtures for sanitary, heating and drainage systems (in Wisconsin such work must be in accordance with the state plumbing code); installs fixtures and all plumbing apparatus and is able to maintain and repair fixtures and plumbing apparatus.

Trades Covered:



Jeanne Pecho
Apprenticeship Administrative Assistant
Phone: 920-498-5682
Toll-free: 1-800-422-NWTC, ext 5682

What are the qualifications?


  • Education: High school graduate or GED® (submit copy)
  • Age: 18 or high school graduate at 17, no maximum
  • Test: Assessment math and reading tests at NWTC
  • Accuplacer Bench Marks: Arithmetic - 66, Reading/Comp - 66, Algebra - 33
  • License: Valid driver's license (submit copy)
  • Completed application

Length of Contract

  • 5 years of not less than 8,000 hours
  • On-the-job training (OJT) - 7,600 hours of work with a skilled craftsperson as per Exhibit "A"
  • Paid-Related Instruction (Day) - 500 hours and successful completion of class material
  • Non-Paid Related Instruction (Night) - 260 hours (80% attendance of each class to receive credit)

(Example: First Aid/CPR; OSHA; Adv. Blueprint Reading; Transit & Level; Pipefitter Welding)

How do I get started in the program?

How to apply

  • Complete the application form for the trade and meet the qualifications
    as stated in the application materials.
  • Meet with the Committee for an applicant interview, and, if qualified,
    receive a Letter of Introduction. 

Application forms available at:

Organization Management Services
3315 N. Ballard Road Suite D
Appleton, WI 54911
(920) 734-3148, ask for Gail Gerhardt

Committee Jurisdiction
Counties of Brown, Door, Florence, Kewaunee, Marinette, Oconto, Menominee, MI