Question 2009 of 850 · Texas Journeyman Electrician Exam
Under the 2023 and 2026 NEC, what minimum nominal discharge current rating must a required service SPD have?
Exactly one answer is correct.
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Correct answer to question 2009
- D: 10 kA
Explanation
The 2023 edition added a minimum nominal discharge current rating of 10 kA for the SPD required at dwelling services. The same rating is required for feeder SPDs under 215.18.
More questions: Services and Service Equipment
- 2010Under the 2023 and 2026 NEC, a one-family dwelling is supplied by a feeder from a service on a pole. What is required for this dwelling?
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