Official Course Description: MCCCD Approval: 06/27/95
ELC124 19956-99999	LEC	3 Credit(s)	3 Period(s)
Industrial Electrical Wiring and Codes
In depth study of 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. Prerequisites: ELC123 or permission of instructor.

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MCCCD Official Course Competencies:
ELC124   19956-99999	Industrial Electrical Wiring and Codes

1.	Identify specific project information from plans and specifications. (I)
2.	Compare and contrast low, medium and high voltage substations. (II)
3.	Select appropriate bus duct and trolley bus-way system for specific situations. (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)

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MCCCD Official Course Outline:
ELC124   19956-99999	Industrial Electrical Wiring and Codes

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. 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. PLC's and Home/ Business Computers C. Components of PLC's D. Signal Wiring XV. Hazardous Locations A. Classes/Division B. Intrinsically Safe Circuits C. Vertical and Horizontal Seals D. Different Fixtures E. Flexible Cord

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