50-413-583Trade Electric 4
Course Information
Description
This course continues development into more advanced residential, commercial, and industrial electrical applications. This level focuses on conductor installations, cable tray systems, conductor terminations and splices, control systems, grounding and bonding, and circuit breakers and fuses. Apprentices will perform in accordance with NEC and OSHA safety standards while reinforcing field readiness. Learners begin their education on EV chargers and battery storage. 
Total Credits
2
Course Competencies
  1. Install conductors
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Feeder and service loads are calculated using NEC methods
    Explain methods of installing conductors in raceways
    Identify factors affecting pulling tension
    Use wire pulling equipment and lubricants
    Performance meets NEC standards and manufacturer specifications

  2. Install cable tray types and their applications
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Identify cable tray types and their applications
    Verify mechanical clearances
    Tray fill calculations are based on cable dimensions
    Support systems and hardware are anchored securely
    Implement bonding and grounding procedures
    Firestopping measures are applied
    Installation is executed per manufacturer instructions and NEC

  3. Perform conductor terminations and splices
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Prepare conductors for termination
    Select the correct connector or terminal based on the wire gauge, material, and voltage rating
    Termination devices are precisely aligned for conductor size/type
    Torquing of terminals is within tolerance range as required by NEC
    Splicing methods are code-compliant
    Identify common termination faults
    Arrange conductors within enclosures

  4. Install grounding and bonding systems
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Compare grounding versus bonding
    Identify grounding electrode systems
    Install grounding electrode conductors
    Bond the neutral conductor to the grounding bridge
    Bond non-current-carrying metal parts
    Establish an effective ground-fault current path
    Verify the continuity and resistance of the grounding system
    Performance meets NEC rules for grounding and bonding conductors

  5. Install circuit breakers and fuses
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Identify types of OCPDs (circuit breakers and fuses)
    Select correct OCPD type based on system requirements
    Match fuse classes to specific fuse holder and application
    Size circuit breakers and fuses
    Perform visual and mechanical inspections of used or tripped devices
    Label the directory in accordance with NEC
    Interpret NEC requirements for OCPD installation and sizing

  6. Construct basic control circuits using ladder logic and standard control components
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Identify control components by their physical characteristics and electrical symbols
    Interpret ladder logic diagrams to identify the path of current, the relationship between input and output devices, and the intended sequence of operation
    Wire a control transformer
    Construct a three-wire motor control circuit using a start/stop station
    Integrate safety interlocks (mechanical or electrical)
    Secure conductors
    Apply industry-standard color coding for control wiring
    Verify circuit functionality through a de-energized continuity check and a live functional test

  7. Examine how Electric Vehicle (EV) chargers, batteries, and renewable energy sources interface within modern electrical installations
    Assessment Strategies
    Oral, Written and/or Skill Assessment
    Criteria
    Describe the basic concepts behind DC electric vehicle charging systems, including common components, charging levels, and general operating principles
    Explain fundamental battery characteristics and operation of Battery Energy Storage Systems
    Explain how batteries function within electrical systems
    Recognize the role of energy storage components such as charge controllers
    Describe how energy storage components contribute to simple system configurations
    Evaluate safety protocols for DC systems