close-up of black two-pole round-pin 230v ac power supply europlug with plated pin in partial focus un white background

230v 50hz adapter adapters alternating appliances applications are background black brownout cable charger close communications connection connector cord current electric electrical electricity electronics element energy engineering equipment european europlug flat focus fuse grid home industry interconnect isolated line mains male metal modern object outage partial pin plastic plated plug power provide roundpin single supply technical technology twopole used various volt voltage white widely wire