ERIE COMMUNITY COLLEGE – NORTH ELECTRICAL ENGINEERING TECHNOLOGY COURSE OUTLINE COURSE NUMBER & TITLE: IE 150 Commercial and Industrial Wiring CURRICULUM: Industrial Technology CATALOG DESCRIPTION: Industrial safety; NEC Code; electrical wiring symbols and drawings; loads, branch circuits; switches and receptacles; branch circuit installation; lamps and lighting requirements; motors and special equipment; circuit breakers, fuses and ground-fault protection; lightning protection; service equipment; panel boards; feeders and substations. Commercial and industrial wiring exercises in accordance with the NEC code. Projects include: branch circuit and receptacle wiring using romex, flexible and rigid metallic conduit, non-metallic tubing and raceways; load computations and branch circuit design; transformers, feeders and service panels; lighting circuits, motor circuits, special circuits, ground-fault protective devices and circuits. Prerequisites: IE 100 and EL 060. (N) DURATION OF INSTRUCTIONAL PERIOD: One hundred (100) minutes of lecture per week and one hundred (100) minutes of laboratory per week for fifteen weeks. ACADEMIC CREDIT HOURS: CONTACT HOURS: LECTURE, LAB, CREDIT HOURS: Three (3.0) Credit Hours Four (3.0) Contact Hours (2-2-3) SUGGESTED TEXT/ COURSE MATERIAL: Electrical Wiring, Commercial by Ray Mullin & Robert Smith COURSE OUTCOMES: At the completion of the course the student will be able to: 1. Perform commercial and industrial wiring in compliance with the NEC code 2. Be able to perform calculations on branch circuits and service entrance requirements 3. Know how to practice electrical safety on the job 4. Know how to select the proper wiring method, cable, outlets and fixtures 5. Interpret and generate electrical wiring plans 6. Be able to troubleshoot power distribution systems 7. Know and use the correct tools for each job in a safe manner PROGRAM COMPETENCIES: N/A SUNY GENERAL EDUCATION TEN KNOWLEDGE AREAS: N/A ECC GRADUATE LEARNING OUTCOMES: 2. Read and think critically. 3. Apply appropriate mathematical procedures and quantitative methods. 10. Demonstrate competence with computers and technology. ASSESSMENT OF STUDENT LEARNING: 1. Exams and quizzes 50% 2. Evaluation of student wiring projects 50% 100% RELATED LIBRARY PROJECTS: None required LECTURE TOPICAL OUTLINE: I. WEEKS COMMERCIAL BUILDING PLANS AND SPECIFICATIONS 1 ELECTRICAL WORKING DRAWINGS 1. Electrical Safety 2. NEC Code 3. Commercial building specifications 4. Working drawings 5. SI Measurements 6. Specifications, plans, symbols 7. Architectural symbols Lab Activity 1. Referencing the NEC Code 2. Metric Measurements 3. Electrical tools and safety procedures 4. Reading and interpreting working drawings II. COMPUTING ELECTRICAL LOADS 1. Electrical loads 2. Lighting loading calculations 3. Other loads 4. Motors and appliances Lab Activity 1. Load computations based on working drawings 1 III. BRANCH CIRCUITS 1. Conductor selection 2. Determining circuit components 3. Defining branch circuits 4. Using the panelboard worksheet Lab Activity 1. Wire two branch circuits using romex based on working drawings 1 IV. SWITCHES AND RECEPTACLES 1. Receptacles 2. Snap switches 3. Conductor color coding 4. Switch and receptacle covers Lab Activity 1. Wire a branch circuit containing three-way switches 1 V. BRANCH CIRCUIT INSTALLATION 1. Rigid metal conduit 2. Electrical metallic tubing 3. Flexible Connections 4. Rigid non-metallic conduit 5. Raceways Lab activities 1. Wire a branch circuit using rigid metal conduit 2. Wire a branch circuit using electrical non-metallic tubing 1 VI. MOTORS AND APPLIANCE CIRCUITS 1. Appliances 2. Basics of motor circuits 3. Equipment installation 4. Disconnecting means 5. Grounding 6. Over current protection Lab Activity 1. Wire a motor using flexible metal tubing 1 VII. FEEDERS 1. Feeder requirements 2. Feeder conductors 3. Feeder component selection 4. Panel board worksheet summary 5. Feeder determination Lab activity 1. Feeder calculations 1 VIII. SPECIAL SYSTEMS 1. Surface metal raceways 2. Communication systems 3. Underfloor raceways 4. Floor outlets Lab Activity 1. Install surface metal raceway 1 IX. WORKING DRAWINGS II 1. Office 2. Computer Room Circuits 3. Small retail service business 4. Medical office Lab Activity 1. Design wiring system for a room in a commercial building 1 X. ELECTRIC SERVICE EQUIPMENT 1. Transformers 2. Substations 3. Transformer overcurrent protection 4. Transformer connections 5. Service entrance 6. Metering 7. Working space around switchboard 8. Grounding 9. Ground-fault protection 1 Lab Activity 1. Transformer wiring XI. LAMPS FOR LIGHTING, LUMINAIRES 1. Lighting terminology 2. Incandescent lamps 3. Low-voltage incandescent lamps 4. Fluorescent lamps 5. High-intensity discharge lamps 6. Luminaires definitions 7. Installation 8. Labeling 9. Loading allowance computations 10. Watts per square foot computations Lab Activity 1. Design and install a special lighting system 1 XII. EMERGENCY AND LEGALLY REQUIRED STANDBY POWER SYSTEMS 1 .Sources of power 2 .Special service arrangements 3. Emergency generator source Lab Activity 1. Design, wire, and test an emergency power system 1 XIII. OVER CURRENT PROTECTION: FUSES AND CIRCUIT BREAKERS 1. Disconnect switches 2. Fuses and circuit breakers 3. Types of fuses 4. Testing fuses 5. Time-current characteristic curves 6. Circuit breakers 7. Series-Rated Equipment 8. Current-Limiting breakers 9. Motor circuits Lab Activity 1. Test fuses 2. Design over current protection for specified load 3. Test breakers 1 XIV. SHORT CIRCUIT PROTECTION 1. Short-circuit calculations 2. Short-circuit variables 3. Coordination of over current protective devices 4. Single phasing 5. Conductor heating 6. Calculating an insulated conductor’s short time withstand rating 1 XV. REVIEW AND TESTING 1 PREPARED BY: Vincent Kassab June 2000 REVISED: Anthony Dalessio APPROVED BY: EET Curriculum Committee, June, 2009