Industrial Circuit Applications

I.     Course Prefix/Number: ELT 224

       Course Name: Industrial Circuit Applications

       Credits: 3 (2 lecture; 2 lab)

II.    Prerequisite

ELT 106

III.   Course (Catalog) Description

Course focuses on application of circuits to specific situations such as SCRs. Content includes welding, motor control systems and industrial antipollution systems.

IV.   Learning Objectives

Student will learn to:

  1. Identify the industrial terminology.
  2. Read and create ladder diagrams.
  3. Build and test common control circuits.
  4. Apply the proper safety procedures
  5. Analyze motor control circuits using computer simulation software.
  6. Communicate effectively in a technical and non-technical environment
  7. Compile and prepare laboratory reports.
  8. Analyze and troubleshoot motor control system problems

V.    Academic Integrity and Student Conduct

Students and employees at Oakton Community College are required to demonstrate academic integrity and follow Oakton's Code of Academic Conduct. This code prohibits:

• cheating,
• plagiarism (turning in work not written by you, or lacking proper citation),
• falsification and fabrication (lying or distorting the truth),
• helping others to cheat,
• unauthorized changes on official documents,
• pretending to be someone else or having someone else pretend to be you,
• making or accepting bribes, special favors, or threats, and
• any other behavior that violates academic integrity.

There are serious consequences to violations of the academic integrity policy. Oakton's policies and procedures provide students a fair hearing if a complaint is made against you. If you are found to have violated the policy, the minimum penalty is failure on the assignment and, a disciplinary record will be established and kept on file in the office of the Vice President for Student Affairs for a period of 3 years.

Please review the Code of Academic Conduct and the Code of Student Conduct, both located online at

VI.   Sequence of Topics

  1. Review of Basic Electrical Concepts
  2. Schematic Symbols and Ladder Diagrams
  3. Use of Test Instruments
  4. Safety Practices
  5. Mechanical Input Devices
  6. Solenoids and Relays
  7. Contactors and Motor Starters
  8. AC and DC Motors
  9. Motor Drives
  10. Stepper Motors
  11. Servo Motors

VII.  Methods of Instruction

The course will be 70% lecture and 30% lab. The lecture will be an informal discussion of the assigned material and related topics. The lab experiments will be timed to reinforce the concepts presented in the lecture.

Course may be taught as face-to-face, hybrid or online course.

VIII. Course Practices Required

IX.   Instructional Materials

Note: Current textbook information for each course and section is available on Oakton's Schedule of Classes.

X.    Methods of Evaluating Student Progress

Tests 60%
Homework assignments 15%
Labs 25%

Attendance is mandatory. Excessive unexcused absences will adversely affect your course grade score

All assignments are required to be finished on time, or a make-up test may be given at the following session for students who missed the test for a good reason.

XI.   Other Course Information

If you have a documented learning, psychological, or physical disability you may be entitled to reasonable academic accommodations or services. To request accommodations or services, contact the Access and Disability Resource Center at the Des Plaines or Skokie campus. All students are expected to fulfill essential course requirements. The College will not waive any essential skill or requirement of a course or degree program.

Oakton Community College is committed to maintaining a campus environment emphasizing the dignity and worth of all members of the community, and complies with all federal and state Title IX requirements.

Resources and support for
  • pregnancy-related and parenting accommodations; and
  • victims of sexual misconduct
can be found at

Resources and support for LGBTQ+ students can be found at

Electronic video and/or audio recording is not permitted during class unless the student obtains written permission from the instructor. In cases where recordings are allowed, such content is restricted to personal use only. Any distribution of such recordings is strictly prohibited. Personal use is defined as use by an individual student for the purpose of studying or completing course assignments.

For students who have been approved for audio and/or video recording of lectures and other classroom activities as a reasonable accommodation by Oakton’s Access Disabilities Resource Center (ADRC), applicable federal law requires instructors to permit those recordings. Such recordings are also limited to personal use. Any distribution of such recordings is strictly prohibited.

Violation of this policy will result in disciplinary action through the Code of Student Conduct.