Question 1047 of 790 · California General Electrician Exam

On a 480Y/277-volt system, what is the voltage between any two phase conductors?

Exactly one answer is correct.

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Correct answer to question 1047

  • D: 480 volts

Explanation

In a 480Y/277 wye system, 277 V is line-to-neutral and 480 V is line-to-line (277 x 1.732 is about 480).

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