Plumbers, pipefitters, and steamfitters install and repair pipes that carry water, steam, air, or other liquids or gases to and in businesses, homes, and factories. Plumbers, pipefitters, and steamfitters install, maintain, and repair many different types of pipe systems. The median annual wage of plumbers, pipefitters, and steamfitters was $46,660 in May 2010. A 4- or 5-year apprenticeship is how most plumbers, pipefitters, and steamfitters learn their trade. Each year, apprentices must have at least 1,700 to 2,000 hours of paid on-the-job training and a minimum of 246 hours of related technical education. Apprentices learn safety, local plumbing codes and regulations, and how to read blueprints. They also study mathematics, applied physics, and chemistry. They become familiar with different types of piping systems and plumbing tasks.
