Keywords: Polarized.outlet.us.png Stylized diagram of a U S standard polarized grounded 110 volt electrical socket outlet Created by clarknova on Jun 17 2004 en wikipedia Liftarn CommonsHelper 2004-06-17 Clarknova wikipedia en Clarknova Original upload log page en wikipedia Polarized outlet us png 2004-06-17 23 43 Clarknova 133×135× 2517 bytes <nowiki></nowiki> 2004-06-17 21 00 Clarknova 149×155× 2818 bytes <nowiki>Diagram of a U S standard polarized three-prong electrical socket outlet </nowiki> diagram Mains sockets |