The electrical room outlet system CAD drawing that shows Installed near the ceiling for the router. Installed with the Router (F / O) distribution. Number of electrical outlets with safety curtains = 9 sets / room. Refrigerator and washing machine not included in this project. Junction Box for water heater. To be buried in the wall about 2 meters from the ground. Box is plastic, waterproof cover, keep the end of the line L, N, G, not less than 0.3 meters each. download electrical ceiling wiring design DWG file.