Pipefitters install and repair pipes that carry liquids or gases to commercial structures. Pipefitters typically do the following:

• Read blueprints or technical diagrams
• Install and maintain wiring, control, and lighting systems
• Inspect electrical components, such as transformers and circuit breakers
• Identify electrical problems with a variety of testing devices
• Repair or replace wiring, equipment, or fixtures using hand tools and power tools
• Follow state and local building regulations based on the National Electric Code
• Direct and train workers to install, maintain, or repair electrical wiring or equipment