Welcome to the forums forester801! Sorry to here about your bear problem, we've had a few threads on bears here. Do a search for bears and you'll see. 1of6 posted a good picture of his electric setup here:
http://www.beekeepingforums.com/viewtopic.php?f=11&t=36
That bear'll keep coming back so long as he knows those hives are there
http://www.beekeepingforums.com/viewtopic.php?f=11&t=36
That bear'll keep coming back so long as he knows those hives are there