Louisiana Administrative Code
Title 28 - EDUCATION
Part CV - Bulletin 115-Trade and Industrial Education Content Standards Curriculum Framework: Drafting; Electricity; and Heating, Ventilating, Air Conditioning, and Refrigeration
Subpart 5 - Electricity
Chapter 17 - U.S. Electrical Construction Industry Trades Skill Standards and Certification
Section CV-1707 - Electrical Theory

Universal Citation: LA Admin Code CV-1707

Current through Register Vol. 50, No. 9, September 20, 2024

A. Basic Electrical Theory:

1. define terms, units of measure;

2. electron flow;

3. producing electrical current;

4. products (effects) of electrical current.

B. Ohm's Law, Kirchoff's Laws, Lenz's Law, Thevenin's And Nortons' Theorems

C. Series Circuits:

1. components;

2. resistance of circuits;

3. total resistance;

4. effects of changing voltage and resistance;

5. law of proportion for series voltage divider circuits;

6. power used in circuits:

a. by components;

b. wasted powers.

D. Parallel Circuits:

1. components;

2. differences between series and parallel circuits;

3. Ohm's Law;

4. circuits;

5. total resistance using product-sum and reciprocal methods;

6. alternate current paths;

7. currents;

8. law of proportion;

9. power requirements of components.

E. Combination Circuits:

1. combination circuits;

2. components;

3. equivalent resistance;

4. alternate current paths;

5. Ohm's Law;

6. power use and dissipation.

F. Characteristics of Voltages in Circuits:

1. polarity and flow of electrons;

2. distribution and voltage drops;

3. proper wire size needed to lower losses.

G . Characteristics of Magnetism/Electromagnetism

H. Theory of Superposition and Solving for Multiple Voltage Source Circuits

I. Operation and Characteristics of Three Wire Systems

J. Operation and Characteristics of Three Phase Systems:

1. identify differences between three wire single phase and three phase circuits;

2. identify differences between voltage drop and power loss.

K. AC Theory:

1. terms associated with AC theory;

2. currents and voltages for components and circuits;

3. conductor size using NEC;

4. current and voltage sine waves to demonstrate phase relationship;

5. maximum, effective (rms), average, and peak-to-peak voltage and current;

6. inductance:

a. factors that affect inductance;

b. behavior of current when inductance is present;

c. relationship between current, applied voltage, and counter electromotive force;

d. inductive reactance when frequency and inductance are known;

e. inductance, inductive reactance, and unknowns in various circuits;

7. capacitance:

a. effects on circuits of capacitance;

b. capacitance, capacitive reactance, and frequency;

8. relationships and behaviors of the following circuits:

a. series RL;

b. parallel RL;

c. series RC;

d. parallel RC;

e. series LC;

f. parallel LC;

g. series LCR; and

h. parallel LCR;

9. function, operation and characteristics of rectifiers;

a. actions of full-wave and half-wave rectifiers;

b. schematics;

10. series resonance, parallel resonance and circuits;

11. filters;

12. power factor;

a. watts, vars and volt-amperes;

b. reactive power;

c. proper placement of power factor correction capacitors;

d. procedure to recognize and correct poor power factor arrangements;

13. power quality issues:

a. causes of poor power quality;

b. the effects of harmonics;

c. locating harmonics through observation and test equipment;

d. techniques to reduce of eliminate effects of harmonics.

L. Use of Electronics:

1. electron flow through solid-state components;

2. precautions against electrostatic discharges around semiconductor devices;

3. functions, operation and characteristics of diodes and zener diodes:

a. characteristic curves;

b. testing procedures;

c. schematics including diodes;

4. functions, operation and characteristics of transducers:

a. operation of transducers;

b. schematics including transducers;

5. functions, operation and characteristics of various types of transistors (diacs, triacs, SCRs, etc.):

a. operation of transistors;

b. current and voltage values;

c. testing procedures;

d. schematics including transistors;

6. functions, operations, characteristics and circuit configurations of amplifiers:

a. basic circuit configurations for various types of amplifiers;

7. functions, operations and characteristics of integrated circuits (ICs):

a. schematics of and including ICs;

b. information on data sheets for integrated circuits;

8. functions, operations and characteristics of three main categories of photo-operated devices;

9. digital and logic circuits:

a. terms associated with digital and logic circuits;

b. types of circuits;

c. the operative symbols for AND, OR, NOT operations;

d. the use of Boolean Algebra equations, laws, operations and theorems;

e. truth tables from Boolean equations and digital switching circuits;

f. gate functions and gate circuits;

g. BUFFER and INVERTER amplifiers and accompanying truth tables;

h. operation and characteristics of NAND and NOR logic and accompanying truth tables;

i. operation and characteristics of XOR and XNOR logic and accompanying truth tables;

j. positive and negative logic and its effect on gate operation;

k. digital logic equivalent circuits;

l. various optoelectronic devices.

AUTHORITY NOTE: Promulgated in accordance with R.S. 17:6(A)(10) and R.S. 17:10.

Disclaimer: These regulations may not be the most recent version. Louisiana may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.

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