Question 7035 of 844 · Washington 01 Journey Level Electrician Exam
In a commercial building, a panelboard is supplied by a feeder from another panel. What must the panelboard be marked with?
Exactly one answer is correct.
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Correct answer to question 7035
- D: The identification and location of the source that supplies it
Explanation
Section 408.4(B) requires panelboards and switchboards supplied by a feeder in other than one- or two-family dwellings to be permanently marked with where the power supply originates. This helps workers find the correct disconnect quickly.
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