Smoke Detector Inspections
A hardwired smoke detector with a battery backup must be located in the hallway or corridor outside of the sleeping areas.
If the property has a basement, a hardwired smoke detector with a battery backup must also be located in the basement, and it must be interconnected to the smoke detectors outside of the sleeping areas.
If the property has a basement, a hardwired smoke detector with a battery backup must also be located in the basement, and it must be interconnected to the smoke detectors outside of the sleeping areas.