From hoovers to hi-fis, from electric lifts to intensive care units - where would we be if we couldn't plug in to the national electricity grid? The second part of this history of the grid explores how switching on has transformed every part of our lives over the last 60 years. Colour archive reveals a time when having an electric cooker was a status symbol and 'plugged in' music was revolutionary. But the grid didn't just mean gadgets - it has been central to creating a consumer society and shaping the contemporary city. Contributors include The Shadows' guitarist Bruce Welch, author Will Self and architect Mike Davies, all talking about how electrification has sparked modern Britain into life.