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wiring method for commercial garage with adjacent sales office and apartment

Question asked by Charles Deangelis on Jan 26, 2016
Latest reply on Jan 28, 2016 by Ray Norton


    A commercial building is constructed on a flat concrete slab, has wood structural supports with sheet rock ceilings and walls is all areas. A major repair garage occupies the first floor with one communicating door from the garage to a sales office for the major repair garage.  A second floor stairway located in the sale office area leads to a second floor apartment utilized by the sales office of the garage.


Question: If NM cable is prohibited in a major repair garage is NM cable a permitted wiring method in the sales area and second floor apartment?