Maricopa Community Colleges  ELC165   19946-20086 
Official Course Description: MCCCD Approval: 07/22/08
ELC165 19946-20086 LEC 3 Credit(s) 3 Period(s)
Industrial Electrical Power Distribution
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: ELC163 or permission of Instructor.
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MCCCD Official Course Competencies:
 
ELC165   19946-20086 Industrial Electrical Power Distribution
1. Determine project information from specific plans and specifications. (I)
2. Compare and contrast low, medium and high voltage substations. (II)
3. Describe types and components of busways, selection of bus duct and describe specific trolley busway systems. (III, IV)
4. Determine and select properly sized panelboards and subfeeders for specific industrial electric systems. (V)
5. Compare and contrast specific wire tables and describe their use. (VI)
6. Describe specific low and high voltage signaling systems. (VII)
7. Compare and contrast specific motors, specific controllers and describe a motor installation. (VIII, IX)
8. Explain the purpose and principles of precipitation units and define the use of power factor correction. (X)
9. Determine the wiring needs for specific ventilation, heating and air conditioning systems. (XI)
10. Identify devices for system and lighting protection. (XII)
11. List and select illumination and lamps for site lighting. (XIII)
12. Describe the operation of programmable logic controllers. (XIV)
13. Describe and classify hazardous locations and the precautions for installing vertical/horizontal seals and flexible cord in hazardous locations. (XV)
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MCCCD Official Course Outline:
 
ELC165   19946-20086 Industrial Electrical Power Distribution
    I. Industrial building plans and specifications
        A. Location of building and exterior electrical work
        B. Proper materials for underground wiring
        C. Installation of underground wiring
      II. Substations
          A. Components of a substation
          B. Voltage fuses
          C. Tap adjustments
          D. Proper grounding connections
        III. Feeder bus system
            A. Various types of busways
            B. Purpose of busways
            C. Various components of busways
            D. Bus duct
          VI. Trolley busways
              A. Three-phase trolleys
              B. Lighting busways
              C. Strain relief of cord drops
              V. Panelboard and subfeeders
              A. Electrical panels
                1. Number
                2. Type
              B. Panelboard construction
              C. Locating panelboards
              D. Supply methods to panelboards
              E. Circuit breaker magnetic trips
            VI. Wire tables/conductor sizing
                A. Conductors proper tables
                B. Wire insulation
                  1. Types
                  2. Characteristics
                C. Correction factors
                D. Voltage drop corrections
                E. Parallel conductors
                F. Insulation testing
              VII. Signaling systems
                  A. Master clock systems
                  B. Programmable systems
                  C. Paging systems
                  D. Fire alarm systems
                  E. Other
                VIII. Motors and controllers
                    A. Machine layout
                    B. Types of motors
                        c. Controller operation
                    D. Installation - motor branch circuits
                  IX. Motor installation
                      A. FLA ratings
                      B. Conductor size
                        1. Single motor
                        2. Multimotor
                      C. Overload size
                      D. Fuse or circuit breaker size
                        1. Single
                        2. Multimotor
                    X. Special equipment
                        A. Precipitation units
                          1. Purpose
                          2. Principles
                        B. Power factor correction
                          1. Definition
                          2. Use
                        C. Synchronous condensers
                        D. Correction of low power factor
                      XI. Ventilation, heating and air conditioning systems
                          A. Ventilation circuits
                          B. Requirements for heating control
                          C. Electrical needs for air conditioning
                        XII. System and lighting protection
                            A. Devices for system protection
                              1. Circuit breakers
                              2. Fuses
                              3. Ground fault
                              4. Adjustment
                            B. Selective coordination
                            C. The lighting process
                            E. Requirements for building protection
                            F. Lighting safety rules
                          XIII. Site lighting
                              A. Illumination
                                1. List
                                2. Select
                              B. Lamp
                                1. List
                                2. Select
                              C. Power limit
                              D. Demand
                              E. Luminaries location
                              F. Control options
                            XIV. Programmable logic controllers
                                A. Operation of PLC's
                                B. PLC's and home/business computers
                                C. Components of PLC's
                                D. Installation of signal wiring
                              XV. Hazardous locations
                                  A. Hazardous locations
                                    1. Classes
                                    2. Divisions
                                  B. Intrinsically safety circuits
                                  C. Vertical and horizontal seals
                                  D. Different fixtures
                                  E. Flexible cord
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