NM cable is permitted for both exposed and concealed work in which type of location?

NM cable, or Non-Metallic sheathed cable, is specifically designed for residential wiring and is typically permitted for use in dry locations. This means that it is suitable for areas where there is no moisture present, allowing for safe and effective electrical installations.

In dry locations, NM cable can be used both for exposed work—where the cable is visible—and for concealed work, such as installations behind walls. This versatility is one of the reasons NM cable is widely used in residential construction.

The other options highlight locations that may involve conditions unsuitable for NM cable. Wet locations expose wiring to moisture, which can create safety hazards, while hazardous locations may involve flammable or explosive materials where specialized wiring methods are required. Outdoor locations can often involve wet conditions, requiring different cable types that are rated for those environments.