An electrical box with multiple selectable fastening points. The electrical box is capable of being mounted on a wide range of structures including those that are constructed with metal framing, wood framing, or with a masonry wall. To accommodate various layers of drywall, fasteners for mounting the electrical box to a stud may be moved to any one of the several fastening points to ensure that the fastener is approximately centered with respect to the stud. Outward extending tabs are provided on the sidewalls of the electrical box to enable mounting to masonry walls. Multiple connection points are provided at the front opening of the electrical box to enable the mounting of electrical components or electrical fixtures.