Waiting for my bus the other day, I saw this and thought it was too good not to share...Someone at Scottish Gas must have a really good sense of humor, or the have dumbest people ever as bosses...
They've had those things on vans for about 10 years. One day your going to ignore that number and you switch the light on and the house blows up. Phone them though. They get bored and start getting all pallie with you and natter on for hours.