Maricopa Community Colleges  GTC115   19896-20086 
Official Course Description: MCCCD Approval: 07/22/08
GTC115 19896-20086 LEC 2 Credit(s) 2 Period(s)
Electrical Drawings and Schematics
Electrical blueprint reading with emphasis on National Electrical Code. Electrical drawings, plans, schematics and wiring diagrams. Ladder and logic diagrams. Residential, multi-family, commercial and industrial drawings. Hazardous locations and specialized situation drawings. National and local electrical code application.
Prerequisites: None.
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MCCCD Official Course Competencies:
 
GTC115   19896-20086 Electrical Drawings and Schematics
1. Compare and contrast types of electrical drawings. (I)
2. Identify symbols used for electrical drawings. (II)
3. Interpret a residential project drawing. (III)
4. Describe drawing variations for a multi-family-dwelling application. (IV)
5. Identify drawing features for a commercial project. (V)
6. Read an example of an industrial drawing. (VI)
7. Interpret an industrial project drawing. (VI)
8. Describe hazardous situations and drawing examples. (VII)
9. Interpret schematic diagrams for specialized wiring situations. (VIII)
10. Describe ladder and logic diagrams. (IX)
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MCCCD Official Course Outline:
 
GTC115   19896-20086 Electrical Drawings and Schematics
    I. Introduction
        A. Architectural
        B. Electrical plans
        C. Schematic diagrams
        D. Wiring diagrams
      II. Electrical Drawing Symbols
          A. Wiring
          B. Switches
          C. Contacts
          D. Motors and transformers
          E. Signaling equipment
        III. Residential Drawings
            A. National Electric Code (NEC)
            B. Floor Plans
            C. Lighting and appliances
          IV. Multi-family Residential
              A. Use of NEC tables
              B. Service and feeders
              C. Branch circuits
              D. Heating and appliances
            V. Commercial
                A. Main service
                B. Floor plans
                C. 480 volt systems
              VI. Industrial
                  A. Motor circuits
                  B. Transformers
                  C. Special situations
                VII. Hazardous Locations
                    A. Classes of hazards
                    B. Garages, aircraft and fuel storage
                    C. Hospitals and theaters
                  VIII. Specialized Situations
                      A. Telephone and speaker systems
                      B. Cable TV
                      C. Fiber optics
                    IX. Ladder and logic diagrams
                        A. Schematic
                        B. Sequence logic
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