electrical device power power button remote control switch off switch on background copy copyspace electrical electricity light off on space switch switches wall Getty lightswitch yellow back colored colors coloured colours communicating communication component computer connect connecting connections DSL ethernet gadget internet on-off-switch plug-in sockets switching usb control controls white carpet chipped decaying double dull electric grey painted plastic plug skirting socket wood button eletronic energy machine 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