Class 4 Career and Technical Certification Areas


  • General Machine Shop/Lab Safety & Related Environmental Issues
  • Specific Safety Practice - pertaining to individual Welding/Cutting Processes
  • American Welding Society Standards - AWS
  • ANSI/AWS Welding Symbols
  • Metal Fabrication
  • Blueprint Reading
  • Layout Procedures
  • Power Supplies
  • Shielded Metal Arc Welding - SMAW (stick or electric arc)
  • Gas Tungsten Arc Welding - GTAW (TIG)
  • Gas Metal Arc Welding – GMAW (MIG)
  • Flux Core Arc Welding - FCAW
  • Oxyacetylene Welding and Cutting - OAW and OAC (OFC)
  • Plasma Cutting – PAC
  • Other welding processes are used in industry but may not be common in secondary education settings.

If you have at least 10,000 hours (5 years or more) of experience including all or most of the skills listed above please complete the Class 4 application.