First outlet of its kind to add USB connection to a GFCI outlet for easier charging, anywhere. Protect children using a patented “invisi-shutter” system to prevent the insertion of foreign ...

Smart outlets are about as expensive as USB ... Although arc fault circuit interrupters perform a similar function to GFCI outlets, they work to prevent electrical fires caused by low-voltage ...

Also note that if a GFCI trips, it can shut off power not just to the outlet but often to other outlets connected downstream ...