ELT 370 - NEC Practical Applications

Credits: 1
Lecture Hours: 1
Lab Hours: 0
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech

1. Examine Electrical Quantities
   1. Explain the basic relationship of Electrical Quantities
   2. Discuss voltage, amperage, resistance, and power
   3. State Ohm’s Law, Watt’s Law, and Kirchhoff’s Laws of current and voltage
2. Analyze the electrical circuit
   1. Describe Electron Flow and Conventional Current Flow theories
   2. Explain the effect of voltage, amperage, resistance, and power in series, parallel, and combination circuits
3. Examine AC and DC electrical circuits
   1. Describe various methods for calculating quantities in AC and DC circuits
   2. Calculate electrical quantities using the Power Wheel formulas
4. Determine how electrical quantities apply to NEC calculations
   1. Determine resistance in conductors based on NEC tables
   2. Calculate Voltage drop using NEC tables
5. Analyze how Ampacity of conductors determine the content of NEC tables
   1. Calculate conductor ampacity with NEC tables
   2. Demonstrate the use of NEC tables’ correction and adjustment factors to de-rate conductor ampacity
   3. Determine conduit and box fill based on NEC table conductor allowances
6. Examine branch circuits
   1. Determine the required number of branch circuits for a set of loads
   2. Determine the correct rating for branch circuit protective devices
   3. Determine the required minimum size conductor for a branch circuit
   4. Determine the preferred type of wire for a branch circuit
7. Calculate Service and feeder loads for various dwellings, commercial, and industrial occupancies based on NEC tables using standard and optional calculation methods
   1. Calculate General Lighting Loads
   2. Determine Non-Coincident loads
   3. Calculate the reduction and sizing of neutral conductors
   4. Determine motor loads
   5. Determine the minimum overcurrent protection rating
   6. Determine the minimum conductor size

 
Competencies Revised Date: AY2023