The small horizontal line to the left of the circle indicates that the outlet is wall mounted. Because there is no horizontal line, the outlet must be suspended from the ceiling. These symbols symbolize the outlet in the house electrical layout. The plugs into which we attach our electronics, appliances, and other electrical systems or items are known as outlets. An electrical drawing is a type of technical drawing that represents information for power, lighting, and communication in an engineering or architectural project. A house wiring diagram, also known as a house electrical plan, is a visual representation of a house's whole electrical wiring system or circuitry (or a room).
