Question 5024 of 844 · Washington 01 Journey Level Electrician Exam
When does a 4 AWG copper grounding electrode conductor require protection?
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 5024
- D: Only where exposed to severe physical damage
Explanation
A 4 AWG or larger GEC needs protection only where exposed to severe physical damage. A 6 AWG GEC free from exposure to damage may run along the surface without protection. See 250.64(B).
More questions: Grounding and Bonding
- 5025Under NEC 2020 and 2023, other than at busbars, a grounding electrode conductor may be spliced only by
- 5027A ferrous metal raceway that encloses a grounding electrode conductor must be
- 5030At the service, the main bonding jumper connects
- 5031What is the minimum size copper main bonding jumper for a service with 4/0 AWG copper ungrounded conductors?
- 5032A service has four parallel sets of 500 kcmil copper per phase (2000 kcmil total). What is the minimum copper main bonding jumper?
- 5033A subpanel in the same building is fed by a feeder from the service. How must the grounded (neutral) conductor be treated at the subpanel?