⚡ Question Of The Week ⚡
Question:
For a 120V residential branch circuit installed in Schedule 40 PVC conduit under a driveway, what is the minimum burial depth required according to the NEC?
Drop your answer AND NEC reference if you know it ⚡
💬 Comment & discuss below.
⚠️ Disclaimer: Question may be simplified or test interpretation — verify all answers with NEC text.
⚡ Hope everyone had a great week, and happy Friday! Enjoy the weekend and try to learn something!
⚡ Credit: TRADEHOG.NET ⚡
Table 300.5(A) Column 4
SPOILER: ANSWER KEY BELOW
2023 NEC (NFPA LINK)
300.5 Underground Installations.
(A) Minimum Cover Requirements.
Table 300.5(A) Minimum Cover Requirements, 0 to 1000 Volts ac, 1500 Volts dc, Nominal, Burial in Millimeters (Inches)
The Correct answer would be (D). 24 inches. (Column 4 as Mentioned by Eric)