http://hughespottery.blogspot.com/2011/05/electricity-at-shows-and-events.html
as an update. Our neighbors at Pennsic had a huge well lit tent with minimal effort. They were using this clever system.
a 25 foot flat extension cord with some of these attached every 18 inches.Strung right down the peak of the roof. They are available through this link at Amazon . With 32 watt curly bulbs mimicking 100 watt incandescent lighting you can get a lot of light from this system.
