EATON GFCI Self-Test 20A -125V Duplex Receptacle with Standard Size Wallplate, Black Includes color matched standard size wallplate GFCIs provide protection from dangerous electrical shocks that might occur from faulty appliances or tools, wet or damp locations Automatically self tests periodically to ensure GFCI protection End of Life lockout and denial of power. Total Outlet: 2 NO power delivered if miswired