Holding the safety plug, what it promises. Have a socket behind a heavy Divan which bears against the wall. Once pushed, plugged connector and already I have three available sockets on the floor under the sofa. the plug is very narrow, the Divan acts still as perfect on the wall screwed :)
Update:
Well, after 6 months dissolve again parts of plastic from the plug when I anstoße example, the vacuum cleaner ...