Go into the building with the fire out front, you put it out already right? There is an electric box upstairs that you use to turn the electricity off.
What you need to do is in the house where Gregori first appears.. Use the front door (and do something about those nasty flames if you don't want to lose health doing it).
another question still in ravenholm, what do you do once uve gone down the lift and gone up on to the rooftops. ive gone up some sets of ramps and now there is nowhere to jump to. help plz.