Question 6004 of 844 · Washington 01 Journey Level Electrician Exam
A dwelling unit 120 V, 20 A branch circuit with GFCI protection is run underground in UF cable. What is the minimum cover?
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 6004
- D: 12 in
Explanation
Residential branch circuits of 120 V or less with GFCI protection and an OCPD of 20 A or less may have 12 in of cover. See Table 300.5 in NEC 2020 and 2023; the underground installation rules are in 300.7 in NEC 2026.
More questions: Wiring Methods, Conductors and Boxes
- 6005What is the minimum cover for direct burial cable installed under a 4 in thick concrete slab with no vehicular traffic that extends at least 6 in beyond the installation?
- 6006What is the minimum cover for any wiring method installed under a public street, highway, alley, or commercial parking lot?
- 6007Direct buried conductors emerging from grade must be protected by enclosures or raceways to what height above finished grade?
- 6008Under NEC 2020 and 2023, where must a warning ribbon be placed for direct buried service conductors that are 18 in or more below grade and not encased in concrete?
- 6010What does the Code require for backfill around underground cables and raceways?
- 6012When a cable is installed through a bored hole in a wood stud, how far must the edge of the hole be from the nearest edge of the stud unless a steel plate is used?