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May 08, 2024
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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
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