The Saint John sign on Fort Howe has been known to have letters burnt out on occasion--you might call it the "Ain't On" sign.
Common Councillor Susan Fullerton says you leave your porch light on when you're expecting guests to show that they're welcome, and the Saint John sign is our metaphorical porch light.
If the city goes through with its proposed change to LED lights, they would have a 10 year lifespan.