Question 1110 of 844 · Washington 01 Journey Level Electrician Exam
Equipment at 277 volts to ground has exposed live parts on both sides of the working space (Condition 3). The minimum working space depth is:
Exactly one answer is correct.
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Correct answer to question 1110
- A: 4 feet
Explanation
Table 110.26(A)(1) requires 4 feet for Condition 3, where exposed live parts are on both sides of the working space, at 277 volts to ground (151 volts and above).
More questions: Definitions, Theory and Plans
- 1111What is the minimum width of the working space in front of electrical equipment covered by 110.26(A)?
- 1112For service equipment and panelboards, the minimum headroom of the working space is generally:
- 1113A homeowner stacks storage boxes in the working space in front of a panelboard. Under 110.26, this is:
- 1114For equipment rated 1200 amperes or more and over 6 feet wide containing overcurrent devices or switching devices, 110.26(C)(2) generally requires:
- 1115NEC 110.12 requires electrical equipment to be installed:
- 1116Equipment intended to interrupt current at fault levels must have an interrupting rating that is: