Maricopa Community Colleges  IEC105   19956-20006 
Official Course Description: MCCCD Approval: 05/23/95
IEC105 19956-20006 L+L 5 Credit(s) 5 Period(s)
Electric Blueprint Reading
Three-phase systems, transformers, and blueprint reading, construction process, plumbing, masonry and welding blueprints as well as mechanical systems; electrical blueprints and grounding. Prerequisites: IEC101 or permission of instructor.
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MCCCD Official Course Competencies:
 
IEC105   19956-20006 Electric Blueprint Reading
1. Explain three phase power systems single and three phase motor operator and the wiring of single and three-phase motors. (I)
2. Identify the types of transformers - explain their operation; explain the effects of harmonic currents. (II)
3. Explain the fundamentals of blueprint reading (III)
4. Identify specific line weights, symbols of blueprint and draw specific types of projections. (III)
5. Identify specific component parts of concrete blueprints and explain construction procedures. (IV)
6. Interpret steel and framing blueprints. (V)
7. Interpret plumbing, masonry and welding blueprints. (VI)
8. Interpret mechanical system blueprints (VII)
9. Interpret electrical blueprints. (VIII)
10. Interpret advanced blueprints. (IX)
11. Define grounding, explain causesof electrical shock and explain methods that comprise the grounding systems. (X)
12. Explain, size and install conductors used for grounding and loading systems. (XI)
13. Explain the purpose of ground fault circuit protection. (XII)
14. Explain what a separately derived system is, explain grounding requirements for multiple building supplied from a single source and size fault current systems. (XIII)
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MCCCD Official Course Outline:
 
IEC105   19956-20006 Electric Blueprint Reading
    I. Three-phase power systems-single and three phase motors
        A. Three-phase power system
          1. wire
          2. delta
        B. Single phase motor
          1. Voltage connection
          2. Winding
          3. Speeds
        C. Three-phase motors
          1. Wye connection
          2. Voltage
          3. Delta connection
          4. Motor leads
          5. Reversing direction
      II. Types of transformers and harmonic currents
          A. Transformers
            1. Construction
            2. Connection diagram
          B. Types
            1. Single phase
            2. Wyes
            3. Delta
            4. Autotransformers
          C. Harmonics
            1. Causes
            2. Effects
            3. Connection
        III. Blueprint reading
            A. Content of a set of blueprints
              1. Site plan
              2. Soundation
              3. Floor
              4. Elevations and sections
              5. Detail drawings
              6. Schedules
              7. Mechanical, plumbing and electrical plans
            B. Tools used in measuring
              1. Fraction rule
              2. Metric rule
            C. Line weights and symbols- projections
              1. Line weight
              2. Symbol
              3. Projections
          IV. Concrete blueprint and construction procedures
              A. Types of concrete
                1. Reinforced
                2. Prestressed
                3. Pretensioned
                4. Post tensioned
              B. Symbol for concrete
              C. Masonry
                1. Stone
                2. Brick
              D. Specifications in construction
              E. Plot plans
            V. Steel and framing blueprints
                A. Structural steel
                  1. Girders
                  2. Beans
                  3. Spormdral beam
                  4. Columns
                  5. Trusses
                  6. Spans
                B. Framing
                  1. Floor
                  2. Wall
                  3. Ceiling
                  4. Roof
                  5. Stain
                  6. Exterior/interior finish
              VI. Plumbing, masonry and welding blueprints
                  A. Plumbing
                    1. Specifications
                    2. Stages of construction
                    3. Symbol
                    4. Servage
                    5. Gas and fuel oil
                    6. Codes
                  B. Masonry
                    1. Types
                    2. Symbols
                  C. Welding
                    1. Symbols
                VII. Mechanical blueprints
                    A. Heating
                      1. Symbol
                      2. Systems
                    B. Cooling
                      1. Symbols
                      2. Systems
                  VIII. Electrical Blueprints
                      A. Symbols
                      B. Circuits
                        1. Remote
                        2. Conduits size
                        3. Conductors
                      C. Schedule
                        1. Panel
                        2. Equipment
                        3. Fixtures
                      D. Prints
                        1. Power
                        2. Lighting
                        3. One line
                        4. Special systems
                    IX. Advanced Blueprints
                        A. Residential
                        B. Fourplex
                        C. Fire station
                        D. Office building
                      X. Grounding shock, effects and grounding systems
                          A. Define grounding
                          B. Shock effects
                            1. Potential difference
                            2. Body resistance
                            3. Grounding safety
                            4. Current intensite
                          C. Grounding system
                            1. Grounding
                            2. Bonding
                            3. Electrolytio
                        XI. Conductor for grounding and bonding systems
                            A. Define
                              1. Grounding Conductor
                              2. Bonding conductors
                            B. Size
                            C. Bonding
                            D. Installation
                              1. Grounding conductor
                              2. Bonding
                          XII. Ground fault circuit protection
                              A. Definition
                              B. Service Requirements
                              C. Receptical Requirements
                              D. Code Requirements
                            XIII. Separately serviced systems, grounding for multiple buildings of a single source and fault current size
                                A. Define separately derived system
                                B. Multiple building grounding system
                                  1. Grounded and ungrounded
                                  2. Second building grounding
                                  3. Second building electrical
                                  4. Second building disconnecting measure
                                  5. Agricultural building
                                C. Fault current
                                  1. Code
                                  2. Calculation
                                  3. Transformer
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