MCCCD Program Description

Industrial Electrical Wiring and Codes

Course: ELC124

First Term: 2017 Fall

Lecture 3.0 Credit(s) 3.0 Period(s) 3.0 Load
Subject Type: Occupational
Load Formula: S - Standard Load

Description: Industrial electrical power techniques of low, medium and high voltage systems. Selection of electrical distribution components, single and three phase systems, one-line diagrams, motors, transformers, protective devices, power factor, demand factor, conductor selection, system planning, grounding and energy management.

MCCCD Official Course Competencies
1. Identify specific project information from plans and specifications. (I) 2. Compare and contrast low, medium and high voltage substations. (II) 3. Select appropriate feeder duct, plug-in bus duct and trolley bus-way system for specific situations while specifying installation procedures for each system. (III, IV) 4. Determine and select properly sized panel boards & sub-feeders for specific locations. (V) 5. Compare specific wire tables. (VI) 6. Describe low and high voltage signaling systems. (VII) 7. Compare motors and controllers and describe specific motor installations. (VIII, IX) 8. Select precipitation units and determine power factor correction according to code. (X) 9. Describe wiring of ventilation, heating and air conditioning systems. (XI) 10. List proper procedures for system and lighting protection. (XII) 11. Select site lighting inducing power limit, demand and control options. (XIII) 12. Describe the operation of programmable logic controllers. (XIV) 13. Describe and classify hazardous locations. (XV)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.

MCCCD Official Course Outline
I. Industrial Building Plans and Specifications A. Location B. Materials C. Installation II. Substations A. Components B. Voltage Fuses for a Particular Installation C. Tap Adjustments D. Grounding Connections III. Feeder Bus System A. Types B. Purpose C. Components IV. Trolley Bus-ways A. Three Phase Trolleys B. Lighting Bus-ways C. Cord Drops V. Panel Board and Sub-feeders A. Number and Types of Electrical Panels B. Panel Board Construction C. Locations D. Supply Methods E. Circuit Breaker Magnetic Trips VI. Wire Tables/Conductor Sizing A. Selection B. Wire Insulation C. Correction Factors D. Voltage Drop E. Parallel Conductors F. Insulation Testing VII. Signaling Systems A. Master Clock Systems B. Programmable Systems C. Paging Systems D. Fire Alarm Systems VIII. Motors and Controllers A. Machine Layout In Building B. Types of Motors C. Operation of Controllers D. Installation Motor Branch Circuits IX. Motor Installation A. Full-Load-Amperage (FLA) Ratings B. Conductor Size for Single Motor and Multi-motor installation C. Over-load Size for Various Motors D. Fuse or Circuit Breaker Size for Single and Multi-motor Applications X. Special Equipment A. Precipitation Units B. Power Factor Correction C. Synchronous Condensers D. Low Power Factor Correction XI. Ventilation, Heating and Air Conditioning A. Ventilation Circuits B. Requirements for Heating Control C. Electrical Needs for Air Conditioning XII. System and Lightning Protection A. System Protection Devices B. Operation of Circuit Breaker and Adjustment of Element 1. Fuses 2. Ground Fault protective device C. Selective Coordination D. Lightning Process E. Building Protection F. Lightning Safety Rules XIII. Site Lighting A. Illumination and Lamp Selection B. Power Limit and demand C. Luminaries D. Control Options XIV. Programmable Logic Controllers (PLCs) A. Operation B. PLCs and Home/Business Computers C. Components of PLCs D. Signal Wiring XV. Hazardous Locations A. Classes/Division B. Intrinsically Safe Circuits C. Vertical and Horizontal Seals D. Different Fixtures E. Flexible Cord

MCCCD Governing Board Approval Date: June 27, 2017

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.