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HIBBING COMMUNITY COLLEGE COURSE OUTLINE COURSE TITLE & NUMBER: Introduction to Electricity: HCT 1500 CREDITS: 3 (2 Lec / 1 Lab) PREREQUISITES: None CATALOG DESCRIPTION: Introduction to electricity covers basic electricity and the circuits, wiring diagrams, schematic diagrams and electrical symbols that a service technician will encounter when servicing heating, air-conditioning and refrigeration equipment. Apply Ohm’s law to solve problems in series, parallel and series/parallel circuits. Describe basic safety rules to measure electrical circuits. OUTLINE OF MAJOR CONTENT AREAS: I. II. II. IV. Electrical theory A. Electrical Safety B. Electron Theory C. Ohm’s Law Circuits A. Series B. Parallel C. Series/Parallel Meters A. Analog B. Digital Wiring Diagrams COURSE GOALS/OBJECTIVES/OUTCOMES: Students will: 1. practice safety rules in the shop. 2. list examples of conductors and insulators. 3. describe the difference between resistance, voltage and amperage. 4. define the term load. 5. define ohm’s law. 6. demonstrate the use of ohm’s law to calculate circuit voltage, amperage and resistance. HCT1500 1 Hibbing Community College, a technical & community college, is an equal opportunity educator & employer 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. describe the role voltage plays in an electrical circuit. describe the role amperage place in an electrical circuit. define the difference between resistance and continuity. define the term open circuit. demonstrate how resistance affects voltage and amperage. compare the difference between a/c and d/c power. define a series circuit. define a parallel circuit. describe the characteristics of voltage, amperage and resistance in a series circuit. describe the characteristics voltage, amperage and resistance in a parallel circuit. describe the construction of a transformer. describe the operation of a transformer. differentiate between a SETP UP and a STEP DOWN transformer. address the importance of VA rating of transformers. describe the operation of a contactor. differentiate between a relay, contactor and starter. identify different types of relays. demonstrate the safe handling of capacitors. identify the difference between a start capacitor, run capacitor and a dual capacitor. demonstrate trouble shooting techniques for capacitors. demonstrate the proper wiring for series and parallel circuits in the shop. examine the pros and cons of both the analog and digital meters. perform amperage measurements using a clamp on ammeter. perform voltage and resistance measurement using a digital multi-meter. demonstrate correct soldering techniques for joining wires. list the three types of wiring diagrams. describe when a ladder diagram is used. explain what a pictorial diagram is used for. convert a ladder diagram to pictorial diagram. write a sequence of operation of a ladder diagram. determine when to call an electrician. MNTC GOAS AND COMPENTENCIES MET: N/A HCC COMPETENCIES MET: Working Productively and Cooperatively Thinking Creatively and Critically HCT1500 2 Hibbing Community College, a technical & community college, is an equal opportunity educator & employer STUDENT CONTRIBUTIONS: The student is expected to attend all lectures and working sessions, participate in activities and discussion, listen to and follow direction, complete assignments on time and request assistance when needed. Each student is expected to spend the necessary time to become adept at the procedures and their applications. At all times the student is expected to demonstrate and exercise safety skills and procedures. STUDENT ASSESSMENT SHALL TAKE PLACE USING INSTRUMENTS SECLECTED/DEVELOPED BY THE COURSE INSTRUCTOR. SPECIAL INFORMATION: (SPECIAL FEES, DIRECTIVES ON HAZARDOUS MATERIALS, ETC.) AASC APPROVAL DATE: March 20, 2013 REVIEW DATE: March 2018 HCT1500:so 032013 HCT1500 3 Hibbing Community College, a technical & community college, is an equal opportunity educator & employer