Jul 14, 2024  
2021-2022 Course Catalog 
    
2021-2022 Course Catalog [ARCHIVED CATALOG]

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ELT 173 - NEC Commercial/Industrial Lab

Credits: 4
Lecture Hours: 1
Lab Hours: 6
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Utilize the basic principles of the NEC for layout of commercial and industrial wiring systems. Apply code rules, using a hands-on approach for commercial and industrial electrical installations from simplistic to complicated wiring.
Competencies
  1. Understand basic safety rules for wiring electrical systems
    1. Cite examples of hazardous situations
    2. Explain basic safety rules
    3. Identify safety rules pertaining to protective clothing and equipment safety
    4. Follow procedures designed to aid an injured worker
  2. Understanding the use of construction tools for installations used by electricians
    1. List basic safety rules for tools
    2. Identify the types of bending tools
    3. Identify the types of pulling equipment
    4. Explain the operating functions of various electrical testing devices
  3. Demonstrate skills needed to install electrical circuits using electrical prints, specifications, and codes
    1. Describe several types of electrical drawings
    2. Explain the purpose of building codes
  4. Perform basic wiring methods
    1. Size wireways to satisfy code requirements
    2. Properly identify and install fittings, connectors, and supports
    3. Properly select and install the correct wiring methods based on the code requirements
    4. Properly calculate and install wireway size
  5. Calculation and installation of conductors
    1. Review code rules regarding conductors
    2. Properly select different types of conductors
    3. Properly install conductors based on circuit loads
    4. Designate the installation conduit, based on percentage fill of conduit requirements
  6. Installation of boxes and conduit bodies
    1. Properly calculate and install correct size boxes
    2. Properly identify and install various types of conduit bodies
    3. Perform box fill calculations using the code
    4. Properly calculate box sizes for straight and angular pulls
  7. Installation of electrical service and distribution
    1. Explain the terminologies between electrical service and electrical distribution
    2. Properly find service drop clearance using the code
    3. Properly identify and install various supply voltages available
    4. Calculate and install receptacle circuit loads required by the code requirements
  8. Calculation and installation of transformers
    1. Identify the basic components and construction of transformers
    2. Identify the various types of transformers
    3. Properly identify and install various voltage transformers
    4. Properly calculate and install overcurrent devices for transformer primary and secondary
    5. Analyze and troubleshoot practical transformer problems
  9. Installation of branch circuits and feeders
    1. Describe various types of branch circuits
    2. Define the functions of feeder circuit conductors
    3. Define the functions of branch circuit conductors
    4. Calculate and install lighting circuit loads required by the code requirements
    5. Calculate and determine branch circuit over current protection required by the code
    6. Calculate and determine feeder size conductors required by the code



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