NEC 2026 Compatible

A 120V, 15A branch circuit supplies a continuous load of 12A. The circuit length is 150 feet. Using 14 AWG copper conductors (THHN), what is the approximate voltage drop for this circuit? (Assume a conductor resistivity of 12.9 ohms/kcmil-foot and a power factor of 1).

Apprentice Level📋 NEC Chapter 9, Table 8Voltage Drop Calculation - Basic
A

4.65V

B

3.24V

C

2.89V

D

5.12V

Explanation & Direct Citation

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    Voltage Drop Calculation - Basic Practice Question: NEC Chapter 9, Table 8 | SparkShift | SparkShift