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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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Uploaded on
June 16, 2025
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2024/2025
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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

D = length of conductors

CM = area in circular mils per ch.9 table

When cable or raceway type wiring methods are installed through bored holes in

framing members, they are required to be not less than _____ inches from the

nearest edge. - ....ANSWER☑️☑️...-1 1/4 inches 300.4(A)(1)


…FOR STUDY PURPOSES ONLY…©️ 2025 ALL RIGHTS RESERVED… 1
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