Question 2003 of 1003 · California General Electrician Exam
Under the 2023 NEC, a listed disconnect switch installed on the supply side of each service disconnect serves as the dwelling emergency disconnect. How must it be marked?
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 2003
- C: EMERGENCY DISCONNECT, NOT SERVICE EQUIPMENT
Explanation
Where the emergency disconnect is a separate device ahead of the service disconnects, it must be suitable for service equipment and marked EMERGENCY DISCONNECT, NOT SERVICE EQUIPMENT. If the service disconnects themselves serve the purpose, they are marked EMERGENCY DISCONNECT, SERVICE DISCONNECT. See 230.85.
More questions: Services and Service Equipment
- 2004A 120/240 volt service drop passes over a roof with a slope of 4 in 12. What is the minimum clearance above the roof permitted by the exception for sloped roofs?
- 2005Overhead service conductors cross a public street that is subject to truck traffic. What is the minimum vertical clearance above the street?
- 2006Overhead service conductors run beside a window that is designed to be opened. What minimum horizontal clearance from the window is required?
- 2007Since the 2020 edition, what is required for all services supplying dwelling units?
- 2008Which statement about overhead service conductors and building openings is correct?
- 2009Under the 2023 and 2026 NEC, what minimum nominal discharge current rating must a required service SPD have?