ELT 303 - Principles of Electricity

1. Describe the fundamental concepts of electricity and electrical units
   1. Identify the structure of matter in an atom
   2. State the law of charges
   3. Identify different types of atoms and its structure
   4. Describe how electron force is applied to create current
2. Distinguish the characteristics of conductors and insulators
   1. Discuss the theory of voltage, current, resistance, and power
   2. Define a basic circuit
   3. Mathematical relationship of power, voltage, current, and resistance using Ohm’s Law
   4. List the factors of resistance
   5. Determine the value of various color coded resistors
3. Develop and illustrate the characteristics and relationships of a series resistive circuit
   1. Calculate the current flow in a series resistive circuit
   2. Calculate different voltage drops in a series resistive circuit
   3. Determine total resistance in a series resistive circuit
   4. Calculate the power in a series resistive circuit
4. Develop and illustrate the characteristics and relationships of a parallel resistive circuit
   1. Calculate the current flow in a parallel resistive circuit
   2. Calculate voltage in a parallel resistive circuit
   3. Determine total resistance in a parallel resistive circuit
   4. Calculate the power in a parallel resistive circuit
5. Develop an understanding of resistive combination circuits
   1. Distinguish a parallel branch from a series circuit
   2. Arrange and calculate series and parallel circuits into an equivalent circuit
   3. Calculate voltage, current, resistance, and power by using Ohm?s Law
   4. Explain Kirchhoff’s voltage law
   5. Explain Kirchhoff’s current law 
6. Develop an understanding of electromagnetic induction
   1. Explain the construction of an AC alternator (generator).
   2. Discuss the four basic parts of an AC alternator (generator).
   3. Discuss the operation of an AC alternator (generator).
   4. Explain instantaneous, peak and effective voltage
   5. Discuss phase relationship
   6. Discuss inductive devices and other components
7. Describe the fundamental concepts of capacitance and capacitors
   1. Explain the definition of capacitance
   2. Explain the construction of a capacitor
   3. Discuss the difference between AC generators and DC generators
   4. Discuss the operation of a capacitor 
8. Develop a working knowledge of hazardous situations and safety precautions
   1. Cite examples of hazardous situations
   2. Identify hazards associated with electricity
   3. Explain basic safety rules
   4. Describe safety equipment and personal protective equipment
   5. Discuss the basic procedures to aid an injured worker
   6. Recognize the basic tools used and the safety rules for using the tools
   7. Explain the functions of various electrical testing devices
9. Demonstrate an understanding of electrical prints, specifications, and codes
   1. Explain elementary drawings and detail drawings
   2. Identify the common electrical symbols
   3. Explain the importance of building codes
   4. Define the purpose, intent, and arrangement of the NEC
10. Demonstrate the understanding of wiring methods and specific applications
    1. Recognize and understand commercial wiring methods and installation rules
    2. Size wireways to code requirements
    3. Demonstrate and identify fittings, connectors, supports, and other hardware to particular wiring methods
    4. Calculate wire sizing
    5. Identify different types of enclosures and their uses
    6. Explain how enclosures are grounded
    7. Identify various types of conduit bodies
    8. Calculate box fill.
    9. Identify the types, ratings and characteristics of electrical protective devices
11. Develop a basic understanding of service and distribution methods
    1. Describe two basic types of service and terminology
    2. Identify the required working clearances at the service equipment
    3. Define the purpose and uses of transformers
    4. Identify the components of a transformer
    5. Explain the different types of transformers and how they work
    6. Perform transformer calculations
12. Develop and understanding of grounding
    1. State important grounding concepts
    2. Discuss the different characteristics grounded and un-grounded systems
    3. Identify the requirements for a service grounding system
    4. Explain the operation and the purpose of a grounded fault circuit interrupter
13. Develop an understanding of branch circuits and feeders
    1. Describe various types of branch circuits
    2. Define the functions of a feeder and the functions of a branch circuit conductor
    3. Size branch circuits and overcurrent protection required by code
    4. Use the code to size feeder conductors
14. Demonstrate and understand motors
    1. Explain the concepts of motors
    2. Calculate motor starting currents
    3. Use the code to design motor branch circuits with overload protection