Question 7064 of 749 · Maryland Journeyperson Electrician Exam
What is the minimum width of the working space in front of a 200 ampere panelboard that is 20 in wide?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 7064
- D: 30 in
Explanation
Section 110.26(A)(2) requires the working space to be at least 30 in wide or the width of the equipment, whichever is greater. A 20 in panel still needs 30 in.
More questions: Equipment, Devices and Luminaires
- 7065What is the minimum headroom of the working space for service equipment and panelboards rated 1000 volts or less?
- 7066Equipment rated 800 amperes or more has its working space within 25 ft of a personnel door. What must the door have?
- 7067What does the dedicated electrical space above a panelboard extend to?
- 7069Under the 2020 and 2023 NEC, which equipment must receive a field-applied arc flash warning marking?
- 7015In a new dwelling, a switch box for a bedroom lighting switch is fed with cable. What does the code generally require in that box?
- 7016Which condition allows a lighting switch box to be installed without a grounded conductor under 404.2(C)?