Do you have what it takes to become a Wisconsin Pipe Trades apprentice? You need to be at least 18 years old, have a high school diploma or GED, a valid drivers license and pass an aptitude test and drug test. Wisconsin Pipe Trades affiliated unions offer 5 year apprenticeships in plumbing, steamfitting, sprinkler fitting, pipe fabrication and HVAC service. Apprentices are paid while they train on the job as well as classroom instruction at state-of-the-art Training Centers. In this video, watch the ceremony as 23 UA 400 apprentices sign their contracts to begin their training.