You’re just sitting there, working or watching television, and bang, the power goes out. Everyone knows how annoying it is to search for candles in a cold, dark house or office during a power failure. But due to excavation work or extreme weather, there is always a chance of an outage in the power grid.You’re just sitting there, working or watching television, and bang, the power goes out. Everyone knows how annoying it is to search for candles in a cold, dark house or office during a power failure. But due to excavation work or extreme weather, there is always a chance of an outage in the power grid.