electrical device power power button remote control switch off switch on Getty light lightswitch off on switch electricity wall yellow button eletronic energy machine background copy copyspace electrical space switches back colored colors coloured colours communicating communication component computer connect connecting connections DSL ethernet gadget internet on-off-switch plug-in sockets switching usb carpet chipped decaying double dull electric grey painted plastic plug skirting socket white wood brick-wall bricks components cream dirty double-electric-wall-socket dusty flick light-switch power-plugs power-sockets rectangular safety sheltered technology three-pin-socket