Standard |
ELT 107 – Commercial Wiring I
Introduces commercial wiring practices and procedures. Topics include: National Electrical Code, commercial load calculations, and safety.
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Competency Areas: |
Hours: |
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National Electrical Code |
Class |
4 |
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Commercial Load Calculations |
D. Lab |
0 |
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Safety |
P. Lab/O.B.I. |
3 |
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Credit |
5 |
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Prerequisite: |
ELT 106, ELT 121, IFC 100 |
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Corequisite: |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D. Lab |
P. Lab/
O.B.I. |
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NATIONAL
ELECTRICAL CODE
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25 |
0
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7 |
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Commercial
application |
Determine commercial application of the NEC. |
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NEC requirements |
Determine ampacities for conductors. |
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Apply grounding techniques according to the NEC. |
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Determine conductors for uses in special-purpose situations (motors, etc.). |
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Determine conduit requirements for special-purpose use. |
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Determine overload protection for commercial applications. |
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Determine disconnecting requirements for single-family dwellings. |
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COMMERCIAL LOAD CALCULATIONS |
5 |
0 |
16 |
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Conductor size |
Calculate conductor size for entrance requirements. |
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Service panels |
Calculate the service panels. |
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Ampacity |
Determine ampacity for service and feeder circuits. |
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Harmonics |
Define harmonics. |
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Discuss how harmonics affect electrical systems and appliances. |
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SAFETY
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10 |
0 |
7 |
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OSHA requirements |
Determine OSHA requirements for commercial installations. |
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Hazards |
Identify hazards in the workplace. |
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Occupational procedures |
Develop safe occupational procedures. |
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First aid |
Recognize situations that require first aid or CPR. |
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Emergency plan |
Emergency plan |
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Safety practices |
Identify safe practices for working with hand and power tools. |
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Identify safe practices for working with hoisting or lifting equipment. |
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Suggested Resources |
Adams, J., & Rockmaker, G. (1985). Industrial
electricity: Principles and practices (3rd ed.). New York: McGraw-Hill.
American Productivity
& Inventory Control Society. (1987). Maintenance
and repair operations reprints. Falls Church, VA: Author.
Baitch, T. (1984). Electrical technology. New York: John Wiley & Sons.
Court, M. (1988). Lab manual for first course in electrical
technology. New York: John Wiley & Sons.
Hawkins, H. M. (1983).
Residential wiring: Concepts and
practices. North Scituate, MA: Brenton.
Holzman, H. N. (1986). Modern residential wiring. South Holland, IL: Goodheart-Willcox.
Hughes, E. (1987). Electrical technology (6th ed.). New
York: John Wiley & Sons.
Office of Personnel
Management. (1988). Industrial equipment
mechanic. Syosset, NY: Natl Learning.
Schram, P. J., & Murray, R. H. (1987). The national electrical code (4th ed.).
Quincy, MA: National Fire Protection Association.