GFCI receptacles from the radiant Collection self-test automatically every three seconds to ensure reliable protection from shock due to ground fault occurrences. Meeting National Electrical Code requirements for ground fault protection, GFCI receptacles make it easier to recognize and fix trips right where they happen - no more confusion at the breaker box. 20A outlets are ideal for use with larger appliances and in commercial settings, as well as to meet regional requirements (Chicago, Canada). GFCI protection is required by code in bathrooms, kitchens, garages, basements, outdoor areas, and for any other outlets found within six feet of a sink or water source. GFCI outlets should always be used when replacing existing GFCI outlets during renovation. Made exclusively for use with screwless Wall Plates from the radiant Collection, sold separately. Spec-Grade devices are engineered to meet federal specifications for use in commercial installations.