 Flickering lights and hot switches can be annoying. They can also signal a major problem or electrical emergency. So leave it to the pros and Mr. Sparky. Call 937-998-3300. Mr. Sparky is independently owned and operated, licensed in the respective state or county. When WHIO went on the air in 1934, the mission was to be a light and serve the community with vital information. Since then, nothing has changed.