Maricopa Community Colleges  ELA123   19952-99999 
Official Course Description: MCCCD Approval: 11/22/94
ELA123 19952-99999 L+L 4 Credit(s) 6 Period(s)
Construction Electricity III
National Electrical Code related to transformers and circuitry; electrical theory of inductance, and capacitance; use of AC(alternating current) and DC(direct current) meters. Operation of incandescent lamps, rectifiers and capacitors. Blueprint reading and sketching techniques. Prerequisites: ELA112.
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MCCCD Official Course Competencies:
 
ELA123   19952-99999 Construction Electricity III
1. Explain the electrical theory concerning inductance, inductive resistance, capacitance, and capacitive resistance. (I)
2. Solve mathematical problems involving AC circuits and vectors. (II)
3. Identify the operating principles for specific types of transformers. (III)
4. Describe the construction principles and design of transformer vaults as required by the National Electrical Code. (III)
5. Explain the theory , operating principles and construction of incandescent lamps, electrical test equipment, rectifiers, capacitors, and AC/DC meters. (IV-IX)
6. Connect test instruments into a circuit and interpret test readings. (V)
7. Explain the safety precautions necessary for using grounded conductors for guarding against electrical shock. (X)
8. Identify line, projection , and isometric sketches. (XI)
9. Sketch location of electrical outlets in specific installations. (XII, XIII)
10. Calculate conduit, wire size and overcurrent protection capacity for specific circuits in electrical installations. (XII)
11. Locate and interpret the section of the National Electrical Code applying to general use electrical equipment, branch circuits and vaults. (XIII)
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MCCCD Official Course Outline:
 
ELA123   19952-99999 Construction Electricity III
    I. Electrical theory
        A. Inductance
        B. Inductive Reactance
        C. Characteristics of Alternating Current (AC)
        D. Capacitance
        E. Capacitive Reactance
      II. Mathematics
          A. Mathematics of AC Circuits
          B. Vectors
        III. Transformers and NEC
            A. Principles-Construction
            B. Types
              1. Single-phase
              2. Three-phase
            C. Vault Design
          IV. Incandescent Lamps
              A. Theory
              B. Operating Principles
              C. Construction
            V. Electrical Testing Equipment
                A. Construction of equipment
                B. Operating Principles
                C. Circuit Connection
                D. Reading Interpretation
              VI. Rectifiers
                  A. Construction
                  B. Operating Principles
                VII. Circuits
                    A. Branch
                    B. Series RL
                  VIII. Capacitors
                      A. Types
                      B. Capacitors in Series and Parallel
                    IX. AC and DC Meters
                        A. Types
                        B. Construction
                        C. Uses
                      X. Safety/Protection
                          A. Electric Shock
                          B. Grounded Conductors
                        XI. Sketching
                            A. Line
                            B. Projection
                            C. Isometric
                          XII. Calculations for Installations
                              A. General
                              B. Electrical Outlets
                              C. Layout
                              D. Calculations
                                1. Wire Size
                                2. Conduit
                                3. Overcurrent Protection
                                4. Outlets
                            XIII. Additional National Electrical Code Applications
                                A. Branch Circuits
                                B. Vaults
                                C. General Use Equipment
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