Whats the secure support requirement for NM cable for feeders, branch circuits installed between a first and 2nd floor in non accessible rafters and ceiling. Can the wiring lay directly perpendicular without support ? Or Is it still required to be secured every 4.5' ?
Sorry for silly question. I see this all the time in apartments. Just wondering if I was missing something where this is permitted
Sorry for silly question. I see this all the time in apartments. Just wondering if I was missing something where this is permitted
