In Episode 40 of “EC&M Asks,” a video series featuring subject matter experts (SMEs) answering reader-submitted questions regarding popular electrical topics, Ryan Mayfield, founder and SME of Mayfield Renewables, discusses NEC rules for running AC and DC conductors to PV systems in the same raceway. He covers the requirements found in Art. 690 of the Code. In particular, he references Sec. 690.31(B)(1), which covers conductors of different systems.
“EC&M Asks” is a video series that enlists the technical expertise of our brand’s subject matter experts to answer our readers’ most pressing electrical questions. Posted twice per month, these quick videos offer Q&As on topics related to various installations, applications, and troubleshooting scenarios. When our readers ask, EC&M answers.