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Steamfitters lay out, assemble, fabricate, install, troubleshoot, maintain and repair piping systems which carry water, steam, chemicals, compressed air, liquids, gases or fuel used in energy production, heating, cooling, food processing, refrigeration and air conditioning, manufacturing, lubricating and other process piping systems.

Working Conditions

The work is performed at various jobsites, including new construction, hospitals, industrial, chemical, power and waste water treatment plants, and most other commercial or institutional buildings, as well as residential sites. Work is accomplished in buildings, trenches, on roofs or inside tunnels or confined spaces. Work usually requires exposure to weather conditions, extreme temperatures and loud noise. Steamfitters work both indoors and outdoors at physically demanding tasks that often require climbing and heavy lifting (over 50 lbs.), strenuous physical stamina with walking, standing and working in cramped or high areas using appropriate personal protection equipment. Steamfitters operate various hand and power tools, heavy equipment, welding machines, cutting torches and other industry related equipment.


  • High school diploma or GED
  • Physically capable of performing the trade
  • Complete the Accuplacer test with a minimum score of 66 in reading (249 for Next Generation Accuplacer), 66 in arithmetic (250 for Next Generation Accuplacer) and 33 in algebra (235 for Next Generation Accuplacer Quantitative Reasoning, Algebra, and Statistics), OR ACT scores of 17 in math and 17 in reading

Terms of Apprenticeship

  • 5-year program
  • 8,000 hours of on-the-job training
  • 500 hours of paid related classroom instruction
  • 260 hours of non-paid related instruction
  • Complete Red Cross First Aid, CPR and OSHA Safety Training Courses during your first year
  • First Aid/CPR Course Certification must be kept current throughout the duration of the apprenticeship
  • Transition-to-Trainer course will be completed in the final year of the apprenticeship

Paid Related Instruction Location

If you choose to participate in the steamfitter apprenticeship, the Paid Related Instruction (PRI) component of your apprenticeship will take place at Mid-State Technical College, not NTC.

Get Started

To begin a steamfitter apprenticeship, you'll need to complete the following components of the application process.

Application Form

Download and complete the Department of Workforce Development apprenticeship application form.


Send a copy of high school transcripts or GED to the Apprenticeship Office. You may need to contact your local high school or GED education provider if you do not have your transcripts.

Accuplacer Testing

Complete the Accuplacer test with the minimum scores noted under “Qualifications” above. To arrange to complete the test, please contact the Testing Center at 715.803.1398.

If you have already completed the Accuplacer test, but need to increase the score in order to meet apprenticeship requirements, the College Prep Center can assist you. You can contact the College Prep Center at 715.803.1152.


For questions about electrical and instrumentation apprenticeships or the application process, please contact Ben Stahlecker at, or Job Center, 364 Grand Avenue, Wausau, WI, 54403.