Maricopa Community Colleges  ABC156   19962-20046 
Official Course Description: MCCCD Approval: 11/28/95
ABC156 19962-20046 LEC 1 Credit(s) 1 Period(s)
Installation of Electrical Services
Installation of commercial and industrial electrical services up to 600 volts. Includes components, schematics, National Electrical Code (NEC) regulations, connections, grounding, distribution panels, disconnects, subpanels and transformers. Prerequisites: (Indentured status with the Arizona Builders Alliance and ABC154) or (permission of the apprenticeship coordinator).
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MCCCD Official Course Competencies:
 
ABC156   19962-20046 Installation of Electrical Services
1. Identify and describe specific types of electrical services for commercial and industrial applications. (I)
2. Read and interpret electrical blueprints, schematics and diagrams specific to service installations. (II)
3. Calculate size and select service entrance equipment. (II)
4. Describe in detail and illustrate by drawing, a single-phase service connection. (II)
5. Describe and install disconnect switches, panelboards and overcurrent protective devices. (II, III)
6. Describe service grounding including specific methods and NEC regulations. (III)
7. Prepare a complete list of required materials for a specific service installation. (IV)
8. Describe wye and delta connected three-phase services. (V, VI)
9. Calculate circuit loads, number of circuits required and installation requirements of distribution panels. (VII)
10. Describe troubleshooting procedures for electrical installation equipment. (VIII)
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MCCCD Official Course Outline:
 
ABC156   19962-20046 Installation of Electrical Services
    I. Electrical services
        A. Terms and definitions
          1. Delta connection
          2. Wye connection
          3. Service
          4. Service cable
          5. Service conductors
          6. Service drop
          7. Service entrance
          8. Service equipment
          9. Service lateral
          10. Service raceway
          11. Star connection
          12. Substation
        B. Electrical generation and distribution
          1. Generation
          2. Transmission
          3. Substations
          4. Underground
          5. Secondary systems
          6. Common power supplies ABC156Effective Term:
      II. Service components
          A. Construction documents
            1. Floor plan
            2. Power riser diagram
            3. Panelboard schedule
          B. Panelboard specifications
          C. Service head
          D. Service entrance conductors
          E. Service equipment
            1. Metering equipment
            2. Service disconnect means
          F. Selection of distribution equipment
            1. Codes and standards
            2. Mechanical protection
            3. Wiring space
            4. Electrical insulation
            5. Heat
            6. Tarcing effects
            7. Classification
            8. Personal protection
        III. Grounding
            A. NEC articles
            B. Conductor sizes
            C. Components
          IV. Material take-offs
              A. Recommended procedures
              B. Take-offs
            V. Three phase services - Wye and Delta
                A. Current transformers
                B. Gutters
                C. Bus bracing
              VI. 480/277 volt services
                  A. NEC articles
                  B. Plot plan
                  C. Power riser diagram
                  D. Practical applications
                VII. Switches, panelboards and load centers
                    A. Panel installation
                      1. Flush mounted enclosures
                      2. Surface mounted enclosures
                      3. Installing the panel interior
                      4. Knockouts
                    B. Panel connections
                    C. Enclosures
                      1. Specific types
                      2. Uses ABC156Effective Term:
                    D. Safety switches
                      1. Switch contacts
                      2. Insulating materials
                      3. Operating mechanisms
                      4. General duty safety switches
                    E. Main lugs
                    F. Main breaker load centers
                    G. Split-bus load centers
                    H. Riser panels
                    I. Panelboards
                  VIII. Troubleshooting
                      A. Equipment
                      B. Personnel
                      C. Preventive maintenance
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