adorne White Tamper-Resistant 20A GFCI Wall Outlet Protects children: patented shutter system helps prevent improper insertion of foreign objects. Performs an automatic test every three seconds - preventing the unsafe condition of power without protection. SafeLock Protection - if components are damaged and protection is lost, power to the outlet will be disconnected. Configuration easily supports two plugs and offers the capacitty of a standard 20A outlet. GFCIs protect you from serious injury due to electric shock. They are required by National Electrical Code in kitchens, bathrooms, and outdoor locations.