Official Course Description: MCCCD Approval: 07/22/08
ELA250 19936-20086	L+L	2 Credit(s)	4 Period(s)
Residential Electrical IV
Characteristics of and calculations required for AC(alternating) and DC(direct) currents. Includes generators, motors, transformers, appliances and air-conditioners. Utilization of blueprints. National Electrical Code. Prerequisites: Apprenticeship status with Phoenix Electrical Joint Apprenticeship and Training Committee or permission of the apprenticeship coordinator.

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MCCCD Official Course Competencies:
ELA250   19936-20086	Residential Electrical IV

1.	Explain the key articles of the IBEW constitution. (I)
2.	List the by-laws of the local electrical union. (II)
3.	Explain the characteristics of direct and alternating current (AC and DC). (III)
4.	Perform calculations required with alternating and direct current. (IV, VIII, IX)
5.	Explain the characteristics of AC and DC generators. (V)
6.	Compute motor circuit calculations using the IAW the National Electrical Code (NEC). (VI)
7.	Draw and lable essential elements of a motor circuit. (VII)
8.	Perform calculations required for appliance installation. (VIII)
9.	Given a number of receptacles, calculate load and determine feeder size. (IX)
10.	List and decribe common home heating systems with the advantages of each. (X)
11.	Explain the function and advantages of low voltage remote control switching. (XI)
12.	Describe the impact of resistance and induction of AC circuits. (XII)
13.	Describe the principles and functions of a transformer. (XIII)
14.	List and define the characteristics of AC circuits. (XIV)
15.	Explain the functioning and installation of residential air conditioners. (XV)
16.	Demonstrate a knowledge and understanding of parliamentary procedures. (XVI)
17.	Describe motivational theories and their practical application to achieve worker motivation through effective leadership. (XVII)
18.	Define marketing and list its different functions. (XVIII)
19.	Draw and lable the basic parts of a motor and draw connection diagrams for given voltages and rotation. (IXX)
20.	Explain bonding as it is used in single unit dwellings. (XX)
21.	Describe the uses and types of cable in residential wiring. (XXI)
22.	Utilize blueprints and specifications to plan wiring installation. (XXII)
23.	Explain the operation of electric heating and ice/snow melting equipment. (XXIII)
24.	Describe the special requirements involved in swimming pool, spa and hot tub installation. (XXIV)
25.	List and describe methods and equipment utilized in fire alarm and security systems. (XXV)
26.	List electrical components used in "smart house" wiring systems and identify their characteristics. (XXVI)
27.	Explain the supervisor's role in the construction industry. (XXVII)

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MCCCD Official Course Outline:
ELA250   19936-20086	Residential Electrical IV

I. IBEW constitution A. Structure - articles B. Rules and regulations II. Local union by-laws A. Content B. Application III. AC and DC theory - characteristics A. Cycle B. Frequency C. Period D. Alternation E. Sine wave F. Wave length G. Instantaneous values H. Effective value I. Average value J. Maximum value K. Peak to peak value L. Other IV. AC and DC calculations A. Current B. Voltage C. Circuit calculations 1. Generator voltage 2. Load voltage 3. Line voltage 4. Voltage drop vs. conductor aize V. AC and DC generators A. AC generators 1. Features and characteristics 2. Calculations: rpm, frequency and number of poles B. DC generators 1. Major parts - characteristics 2. Principles and operations VI. Motor circuit calculations - code book/motor nameplate A. Circuit conductor size B. Conduct size C. Branch circuit overcurrent protection D. Motor overcurrent running protection E. Applicable code sections VII. Motor wiring (code) A. Essential elements of a motor circuit B. Parts of a motor circuit C. Drawing/labeling D. Applicable code sections VIII. Appliances (code) A. Branch circuit size B. Overcurrent protection C. Applicable code sections D. Calculations - installation IX. Load calculations (code A. Number of receptacles B. Feeder size C. Applicable code sections X. Heating systems A. Types B. Characteristics C. Advantages XI. Remove control wiring circuits A. Five basic parts B. Functions C. Switching relays D. Advantages XII. Resistance and inductance in AC circuits A. Resistance 1. Maximum 2. Effective 3. Average 4. Peak 5. Peak to peak B. Sine waves 1. Current 2. Voltage C. Inductance 1. Inductance and self inductance 2. Counterelectromotive force (Lenz's Law) 3. Physical factors 4. Effect on current behavior (AC&DC) 5. Current, applied voltage and counterelectromotive force relationships XIII. Transformers A. Theory of operation 1. Principles 2. Functions B. Transformer "efficiency" C. Losses XIV. Characteristics of AC circuits A. Resistors B. Capacitors C. Inductors D. Effects on power consumption 1. Resistance 2. Capacitance 3. Inductance XV. Residential air conditioning A. Function B. Relationships 1. Evaporator 2. Condenser 3. Compressor 4. High and low pressure sides C. Applicable code sections D. Plans and specifications E. Installation XVI. Parliamentary procedure A. Role of the chairperson B. Rules XVII. Motivation and leadership A. Basic theories on motivation B. Need levels C. Choosing leadership actions D. Importance of leadership XVIII. Marketing A. Definition B. Functions XIX. Motors A. Basic parts B. Name plates C. Connection diagrams 1. Voltages 2. Rotation XX. Bonding in single unit dwellings A. Definition B. Code requirements C. Bonding vs. grounding D. Jumpers XXI. Cable A. Service entrance 1. Uses 2. Types B. Underground 1. Uses 2. Types 3. Burial requirements XXII. Blueprint reading - planning A. First floor wiring I 1. Schematic and wiring diagrams 2. Outlet box placement 3. Structural characteristics B. First floor wiring II 1. Structural features 2. Branch circuit diagrams 3. Electrical equipment C. Basement wiring 1. Construction features 2. Box size determination D. Special outlets - first floor 1. Outlets and loads 2. Construction features E. Special outlets - basement 1. Outlets and loads 2. Construction features F. TV and phone outlets 1. Outlet installation 2. Coaxial cable types 3. Twisted pairs 4. REN XXIII. Electric heating and ice/snow melting equipment A. Types B. Location on plans XXIV. Swimming pools, spas and hot tubs A. Lighting fixture niches 1. None 2. Wet 3. Dry B. Pool types 1. Storable 2. Permanently installed C. Code requirements D. Grounding requirements XXV. Security and fire alarm systems A. Methods B. Equipment C. Elements D. System planning XXVI. "Smart house" wiring A. Code requirements B. Electrical components C. Wiring symbols D. Component characteristics XXVII. Supervisor's role A. Construction cost factors B. Supervisor need C. Skills 1. Technical 2. Human 3. Conceptial D. Functions 1. Communication 2. Leadership 3. Quality control 4. Training 5. Motivation 6. Reporting 7. Disciplinary action E. Team leader

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