Tag running wires through brick fireplace

New 16++ Installing Electrical Outlet Above Fireplace

New 16++ Installing Electrical Outlet Above Fireplace. My concern is the cool air and hot air that the attic produces during certain times of the day and i took this wire and cut it in half and added a wire for the outlet above the fireplace. An electric fireplace insert for an existing fireplace doesn't require typical fireplace accessories such as a blower. I could run another circuit from the box, but i will still.