Plumbing Apprenticeship

Work Description

Plumbers install, repair and maintain the water supply, waste water treatment, drainage and gas systems in homes, commercial and industrical buildings. The work includes plumbing tasks to assemble, install and repair pipes, fittings, and fixtures of heating, water and drainage systems according to specifications and plumbing codes. Plumbers also install sanitary facilities; such as lavatories, toilets, tubs, bathroom fixtures, showers, kitchen fixtures, drinking fountains and laundry equipment.

Working Conditions

Plumbing work can be indoors or outdoors in existing and newly constructed buildings, in various weather conditions and around noise, dirt and mud. The work requires physical strength and stamina with prolonged standing, lifting heavy pipes and equipment and working in cramped, awkward or uncomfortable positions. Training in safety practices prevents the risk of dangers with falls from ladders, cuts from sharp tools and burns from hot pipes or soldering equipment.


  • 5 year training program
  • 8,000 hours on-the-job training
  • 500 hours paid related instruction
  • 260 hours of unpaid related instruction
  • Apprentice must complete Red Cross First Aid, CPR, and OSHA Safety Training Courses during his/her first year
  • First Aid/ CPR Course Certification must be kept current throughout the duration of the apprenticeship
  • Apprentice must in his/her final year complete the Transition-To-Trainer Course

Topics include plumbing code, repair and service, materials, installation of fixtures and appliances, system design, trade math, safety, science, blueprint reading and isometric drawing.


You can find more information on the Department of Workforce Development of Wisconsin web page.