Question 5065 of 731 · Texas Journeyman Electrician Exam
In NEC 2026, grounding and bonding requirements for systems over 1000 V were moved from Article 250 Part X to
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Correct answer to question 5065
- A: Article 270
Explanation
As part of the medium voltage reorganization in NEC 2026, the former Article 250 Part X became Article 270. Article 250 now addresses systems of 1000 V and less.
More questions: Grounding and Bonding
- 5001At a building or structure, which of the permitted grounding electrodes must be bonded together to form the grounding electrode system?
- 5002A metal underground water pipe qualifies as a grounding electrode only if it is in direct contact with the earth for at least what length?
- 5003When a metal underground water pipe is used as a grounding electrode, what else does the Code require?
- 5004Under the general rule, interior metal water piping located more than what distance from its point of entrance may NOT be used to interconnect electrodes that are part of the grounding electrode system?
- 5005A concrete-encased electrode made of bare copper conductor must be at least 20 ft long and not smaller than what size?
- 5006A concrete-encased electrode must be covered by at least how much concrete?