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Exam (elaborations)

NFPA 70 National Electrical Code Exam 2025 Questions and Answers

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NFPA 70 National Electrical Code Exam 2025 Questions and Answers

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NFPA 70 National Electrical Code
Exam 2025 Questions and Answers


Table 314.16(B) - ANSWER✔✔-Volume Allowance Required per Conductor


392.22 - ANSWER✔✔-Cable tray fill


404.14 - ANSWER✔✔-Rating and use of switches


Table 314.16(A) - ANSWER✔✔-Box Volume metal boxes


What code section for Conductors in Parallel? - ANSWER✔✔-310.10(G)


The length of free conductors at outlets, junctions and switch points? (Code section?) -

ANSWER✔✔-300.14 At least 150mm (6in)


Article 230 - ANSWER✔✔-Services


RPM formula? - ANSWER✔✔-120 x Frequency (Hz) divided by number of poles


Voltage drop formula - ANSWER✔✔-2(K)(I)(D) divided by CM


K = direct current constant, copper (12.9 ohm), aluminum (21.2 ohm)

I = amps, current




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