Electric Symbols on Blueprints - House Plans Helper Electric Symbols on Blueprints. If you want to make sense of electric symbols on your blueprints then you’ve come to the right place. The placement of the outlets for all the electrical items in your home can have a significant impact on the design of your home.Lighting Symbols · TV · Floor Plan Symbols · Free Blueprint Symbols · HVAC Symbols Key Plans - Facilities Division Facilities Division Dec 14, 2011Key Plans can be configured to show many types of information The Facilities Planning Department maintains and updates Key Plans for all Laboratory buildings. Key Plans are floor plans showing primary architectural elements of each building by floor level. They graphically represent walls, doors, windows, room numbers, and other features.