| Originator: | Jason Gee Status: Approved Department: ELC Electrical |
| Date Created: | 11/14/2018 Submitted: 11/14/2018 Completed: 03/07/2019 |
| Effective Semester: | Fall |
| Catalog Year: | 2019-20 |
| Course Prefix: | ELC |
| Course Number: | 210 |
| Course Full Title: | Commercial Electricity I |
| Old course information: | Commercial/Industrial Electricity I |
| Reason for Evaluation: | Competency Based Education Course Title Change Credit Hour Change* Credit Breakdown Change Prerequisite Change Description Change CSLO, Competencies, and/or Outline Changes |
| Current Credit: | 3 |
| Lecture Hours: | 2 |
| Lab Hours: | 2 |
| Clinical Hours: | |
| New Credit Hours: | |
| Lecture Hours: | |
| If the credit hour change box has been marked, please provide the new credit hour: | 4 |
| New Lecture Hours: | |
| New Lab Hours: | |
| New Clinical Hours: | |
| New Internship Hours: | |
| New Externship Hours: | |
| SUN Course?: | No |
| AGEC Course?: | No |
| Articulated?: | Yes |
| Transfer: | NAU |
| Prerequisite(s): | Completion of the Electrical Technology - Residential Wiring Certificate
-or- Appropriate score on placement exam or completion of PCS 021 and TRM 090 -and- 4000 hours documented experience in residential electrical field as electrician's helper or higher. |
| Corequisite(s): | |
| Catalog Course Description: | This course expands on knowledge obtained from residential wiring into commercial wiring installations. It includes a refresher of safety equipment and procedures, proper use of the NEC code, and trains in the proper equipment and procedures for commercial installations and applications. |
| Course Learning Outcomes: | 1. Create a safe work environment (3,6)
2. Utilize the NEC Codebook in commercial installations (3,6) 3. Calculate service loads for a commercial installation. (3,5,6) |
| Course Competencies: | 1. Initiate an electrical project via contract documents and electrical drawings
2. Calculate electrical loads for commercial circuits 3. Analyze branch circuit connections via requirements in NEC article 310 4. Classify switches and receptacles for commercial applications 5. Demonstrate acceptable wiring methods for commercial applications 6. Demonstrate commercial appliance connection techniques 7. Identify feeder circuit installation factors 8. Demonstrate retrofitting and addition of circuits to existing commercial facilities 9. Demonstrate specialized circuit installations techniques, including upper level floors 10. Compare owner and occupant circuits in a commercial building |
| Course Outline: | Competency 1. Initiate an electrical project via contract documents and electrical drawings
1.1. Identify safety procedures for working on commercial electrical systems 1.2. Identify project requirements specified in an electrical contract document 1.3. Identify project requirements specified on building plans 1.4. Describe the purpose of the Schedule of Working Drawings 1.5. Convert International System of Units (SI) measurements to English measurements 1.6. Define electrical project terms as listed in National Electrical Code (NEC) 1.7. Apply electrical symbols used in construction drawings for electrical work. Competency 2. Calculate electrical loads for commercial circuits 2.1. Determine minimum lighting, receptacle and equipment loads for a given area 2.2. Establish "calculated load" and "connected load" Competency 3. Analyze branch circuit connections via requirements in NEC article 310 3.1. Determine branch circuit number for a set of loads 3.2. Calculate the rating for branch-circuit protective devices 3.3. Determine wire type for a branch circuit 3.4. Calculate conductor sizes for a branch circuit Competency 4. Classify switches and receptacles for commercial applications 4.1. Evaluate application to determine correct rating for switches and receptacles 4.2. Demonstrate hospital-grade, electronic equipment, and isolated ground installation techniques 4.3. Classify snap switches 4.4. Illustrate the typical color coding for wiring cable Competency 5. Demonstrate acceptable wiring methods for commercial applications 5.1. Identify raceway installation requirements 5.2. Demonstrate raceway sizing based on number of conductors installed 5.3. Demonstrate box-sizing based on fill amount and conductor numbers entering raceways 5.4. Classify the three wiring methods for flexible connections 5.5. Analyze the permissible use of PVC conduit Competency 6. Demonstrate commercial appliance connection techniques 6.1. Utilize the NEC to define "appliance" and "utilization equipment" 6.2. Perform installation and grounding for specific appliances 6.3. Calculate branch-circuit ratings, conductor sizes, and overcurrent protection for appliances and motors 6.4. Compare Type 1 and Type 2 overcurrent protection Competency 7. Identify feeder circuit installation factors 7.1. Calculate feeder loads 7.2. Calculate minimum feeder overcurrent device ratings and minimum feeder conductor sizes 7.3. Calculate voltage drops 7.4. Identify the neutral conductor size reduction process 7.5. Demonstrate feeder raceway sizing Competency 8. Demonstrate retrofitting and addition of circuits to existing commercial facilities 8.1. Install surface metal raceways appropriately 8.2. Install multi-outlet assemblies as load calculation allows 8.3. Analyze the factors for installing branch circuits for computer systems 8.4. Demonstrate floor outlet installation methods Competency 9. Demonstrate specialized circuit installations techniques, including upper-level floors 9.1. Tabulate materials for an electrical rough-in 9.2. Select components for an electric water heater installation 9.3. Compare single- and three-phase supply systems 9.4. Diagram connection schemes for open office and computer room circuits 9.5. Diagram connection schemes for water heater, washer, and dryer circuits Competency 10. Compare owner and occupant circuits in a commercial building 10.1. Classify categories of owner-responsible electrical circuits 10.2. Identify control systems used for owner's lighting circuits 10.3. Analyze the implications of continuous operation in commercial lighting circuit designs 10.4. Select components for electric boiler controls and sump pumps |