Question 5066 of 850 · Texas Journeyman Electrician Exam
NEC 2026 added new rules in 250.109 for bonding metallic wiring methods that are connected to
Exactly one answer is correct.
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Correct answer to question 5066
- B: Nonmetallic enclosures
Explanation
A metallic raceway or cable armor that terminates in a nonmetallic enclosure is not bonded through the enclosure, so NEC 2026 250.109 adds bonding requirements for this situation. Without such bonding, the metal wiring method could remain energized during a fault.
More questions: Grounding and Bonding
- 5067Under NEC 2026, which item was added to the list of permitted materials and forms for bonding jumpers?
- 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?