Apr 26, 2024  
Course/Program Inventory 
    
Course/Program Inventory

EAP 11040 - NEC Calculations II



Clock Hours: 15

Delivery Mode
on-ground

Prerequisites: EAP 11020 - NEC Calculations I  

Course Description:
Review of conductor sizing; terminal temperature ratings; overcurrent protection; ampacity of conductors; ampacity selection; conductor resistance; voltage drop calculations; AC/DC resistance; sizing branch-circuit conductors for motors; determining OCPD for air-conditioning loads; and short-circuit/ground-fault protection.

Student Learning Outcomes:
Upon completion of this course, the learner will:

  • Reference characteristics about any given insulation type
  • Classify terminal temperature ratings of equipment, even with minimal information given
  • Iterate requirements for NEC Section 310.106
  • Proficiently apply the requirements of 110.14(C) and Table 310.15(B)(16) when selecting conductors
  • Proficiently apply the requirements of Article 240 when selecting OCPD for conductors
  • Use Table 240.3 to reference requirements for OCPDs of specific equipment
  • Exhibit proficiency in referencing conductor ampacities in Table 310.15(B)(16)
  • Demonstrate proficiency in applying adjustment factors to the listed ampacity of conductors with given adjustment and correction scenarios
  • Exhibit proficiency in recognizing current-carrying conductors of various voltages and phases of circuits
  • Demonstrate proficiency in determining ampacity after applying adjustment factors
  • Exhibit understanding of conductor sizing and feeder tap rules
  • Understand the factors that affect the resistance of conductors
  • Demonstrate proficiency in the use of Tables 8 and 9 of Chapter 9 in the NEC
  • Apply the theory of voltage drop to practical calculations
  • Determine if a circuit or feeder conductor is sufficient to limit voltage drop
  • Understand nameplate information for motors
  • Apply appropriate nameplate values to determine equipment necessary for installations
  • Determine the appropriate size branch-circuit conductors for motors
  • Determine the appropriate size feeder conductor for multiple motor branch-circuits
  • Determine appropriate branch-circuit protection ratings for motors
  • Determine overload protection ratings for motors
  • Determine the appropriate feeder protection rating for feeders that serve motor branch circuits
  • Exhibit an understanding of motor load calculations
  • Determine appropriate OCPD for air-conditioning loads
  • Determine adequate conductor size for air-conditioning loads