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Basic Diagrams and Symbols 2
(Duration: 2:00:00)
Price: $55.00
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12 months
This interactive training unit is designed to familiarize trainees with symbols commonly used on piping and instrumentation diagrams (P&IDs) and electrical one-line diagrams. After completing this unit, trainees should be able to identify instrument symbols and line symbols used in P&IDs, describe the types of information typically found on a legend, and use a P&ID to locate the components of a system. They should also be able to identify symbols used on electrical one-line diagrams.


  • Piping and Instrumentation Diagrams
    • Identify instruments using an identification chart.
    • Identify line and instrument symbols used in piping and instrumentation diagrams.
  • Using a System Diagram
    • Describe the types of information typically found on a legend.
    • Locate the components in a boiler fuel oil system by identifying the symbols used to represent them.
  • Electrical Diagrams
    • Identify symbols commonly found on one-line electrical diagrams.
    • Trace out a typical one-line diagram and briefly describe its connections.
  • Piping and Instrumentation Diagrams
  •   - Instrument Symbols
  •   - Reading a P&ID
  • Using a System Diagram
  •   - Legends
  •   - Using a System Diagram
  • Electrical Diagrams
  •   - Main Transformer Section
  •   - Load Center Section
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