Question 2053 of 749 · Maryland Journeyperson Electrician Exam
What is the minimum depth of working space in front of a 120/240 volt panelboard with live parts on one side and no grounded parts on the other (Condition 1)?
Exactly one answer is correct.
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Correct answer to question 2053
- A: 3 ft
Explanation
For 0 to 150 volts to ground, the working space depth is 3 ft for all three conditions. Higher depths apply only above 150 volts to ground. See Table 110.26(A)(1).
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