AFCI (Arc-fault Circuit Interrupter) is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.
All 15A and 20A, 120V branch circuits supplying outlets in the family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, rec rooms, closets, hallways, and similar areas require AFCI protection.
To learn more about AFCI visit: AFCI Safety
GFI or GFCI(Ground-fault Circuit Interrupter) is a device intended for the protection of personnel that functions to de-energize a circuit or portion thereof within an established period of time when a current to ground exceeds the values established for a Class A device.
GFCI is required in wet areas where the shock hazard is the greatest. According to NEC codes in dwelling units GFCI shall be provided in bathrooms, garages, outdoors, grawl spaces, unfinished basements, kitchen's countertop surfaces, boathouses, and anywhere within 6 feet of the outside edge of the sink. It should be tested regularly.
15 and 20 ampere, 125 and 250 volt receptacles installed in a wet location shall have an enclosure that is weatherproof whether or not the attachment plug cap is inserted.
Portable adapter for existing wall outlet
Replacement for wall outlet
Outlet A point on the wiring system at which current is taken to supply utilization equipment.
Receptacle is a contact device installed at the outlet for the connection of an attachment plug.