Maricopa Community Colleges  ELA114   20052-20086 
Official Course Description: MCCCD Approval: 07/22/08
ELA114 20052-20086 L+L 2 Credit(s) 4 Period(s)
Residential Electrical II
Components of parallel, series and combination electrical circuits. Calculations required in residential wiring. Utilization of blueprints. National Electrical Code. Three wire system.
Prerequisites: Registered apprentice status or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ELA114   20052-20086 Residential Electrical II
1. List the primary qualities an IBEW residential wireman must have. (I)
2. Explain the hazards associated with electrical shocks. (II)
3. Draw and label components of electrical circuits including parallel, series and combination circuits. (III, VIII, X, XIII)
4. Perform calculations required in residential wiring including total resistance in series circuits, effect of changing voltages/resistances or circuit current, effective voltage applied to series circuits, and total power used in series circuits. (III, IV, VIII, XIII)
5. Solve specific problems using ratio/proportion and direct inverse relationships. (IV)
6. Identify symbols using blueprints and specifications related to electrical work. (V, IX, IV)
7. Interpret specific sections of the National Electrical Code (NEC) related to boxes/fittings, armored cable (AC), aluminum conductors and branch circuits. (VI, X)
8. Explain how to keep your family/friends free from alcohol and other drugs. (VII)
9. Draw and identify components in parallel circuits and calculate resistance of parallel circuits, including power required by each individual component in parallel circuits. (VIII)
10. Locate specific outlets in a basement and identify wiring methods required for specific areas of the basement. (IX)
11. Calculate total power demand of dwelling units using provisions of the NEC. (X)
12. Describe the operation of single-pole switches and draw cable layout, schematic and wiring diagrams. (XI)
13. List major events which have occurred in America in which unions have had a leading role. (XII)
14. Analyze components in a combination circuit to determine whether they are connected in series or parallel with other components and apply Ohm's Law to determine the current through any branch or component of a combination circuit. (XIII)
15. Locate information relating to specific electrical questions on elevation, detail and sectional drawings. (XIV)
16. Explain the operation of the three-wire system and describe the advantage and potential hazards of three-wire systems. (XV)
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MCCCD Official Course Outline:
 
ELA114   20052-20086 Residential Electrical II
    I. IBEW characteristics
        A. Trained
        B. Productive
        C. Sales - shop
        D. Sales - union
      II. Electric shock hazards
          A. Factors - injuries
          B. Grounding/ground fault protection
          C. Ohm's Law
        III. Series circuits and calculations
            A. Resistance
            B. Current
            C. Voltage
            D. Power calculations
              1. Total power
              2. Individual components
              3. Wasted power
          IV. Mathematics
              A. Ohm's law
              B. Formulas
              C. Ratio and proportion
              D. Direct and inverse relationships
            V. Blueprints and specifications
                A. Structural features
                B. Symbols
                C. Elevations
              VI. National Electrical Code (NEC)
                  A. Boxes/fittings
                  B. Armored cable
                    1. Types
                    2. Approved uses
                  C. Aluminum conductors
                    1. Techniques
                    2. Materials
                    3. Equipment
                VII. Drugs
                    A. Attitude
                      1. Confidential
                      2. Understnding
                      3. Firm
                      4. Supportive
                      5. Other
                    B. Intervention
                    C. Example
                    D. Help
                  VIII. Parallel Circuits
                      A. Voltage
                      B. Resistance calculations
                        1. Total resistance (product sum methods)
                        2. Total resistance (reciprocal methods)
                      C. Currents in parallel circuits calculations
                        1. Currents in individual branches
                        2. Total current
                      D. Power in parallel circuits
                        1. Calculations of total power
                        2. Power ratings of components
                    IX. Blueprint - basement electrical
                        A. Outlet locations
                        B. Wiring methods
                      X. Branch circuits - dwelling
                          A. Code article 210
                          B. Terms
                            1. Branch circuit
                            2. Multi wire branch circuit
                          C. Branch circuit calculations
                            1. Minimum number of branch circuits required
                            2. Total power demand
                        XI. Circuit diagrams and single-pole switches
                            A. Circuit diagrams
                            B. Single pole switches
                            C. Fastening devices
                          XII. American Labor Movement
                              A. America labor's second centruy
                              B. Toward a Federation of Labor
                              C. Federation of Organized Trades and Labor Unions
                                1. Women in unions
                                2. Wartime gains
                                3. Depression
                                4. AFL-CIO
                            XIII. Combination circuits - series/parallel
                                A. Resistance
                                B. Current
                                C. Voltage
                                D. Power - branch/component
                                  1. Calculations of power dissipation
                                  2. Determination of power requirements
                                  3. Voltage drop
                                  4. Other variables
                              XIV. Blueprints
                                  A. Elevation
                                    1. Construction features
                                    2. Specific information
                                  B. Detail
                                    1. Construction features
                                    2. Specific information
                                  C. Sectional views
                                    1. Construction features
                                    2. Specific information
                                XV. Three-wire system
                                    A. Systems
                                      1. Operation
                                      2. Advantages and hazards
                                      3. Balanced and unbalanced three wire circuits
                                    B. Three-way switches
                                      1. Operation
                                      2. Cable layout, schematic and wiring diagrams
                                    C. Four-way and other switches
                                      1. Operation
                                      2. Schematic and wiring diagrams
                                      3. Special purpose switches
                                    D. Wire connectors
                                      1. Types
                                      2. Proper installation
                                      3. Limitations on use
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