CSLB C-10 Electrical Practice Questions - California CSLB C-10 Electrical Examination Exam

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A single-phase 240V branch circuit supplies a 20A continuous load across a one-way length of 150 feet using 10 AWG solid copper conductors (K = 12.9, circular mil area = 10,380 CM). What is the estimated line-to-line voltage drop for this run?

4.85 volts 7.46 volts 9.92 volts 12.3 volts

Correct Answer:

7.46 volts

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