Building Systems Design2D
Electrical Systems for Buildings - Theory & Concepts - Electrical Load Calc
Fundamentals of building electrical systems, power distribution, 3-phase systems, power factor, and lighting design.
Open the complete lessonElectrical Load Calculator
Lighting
1200 W (x1)Small Appliance
1500 W (x2)AC Unit (1HP)
746 W (x1)Water Heater
3500 W (x1)Range
8000 W (x1)Total Power
4,200 W
Current (at 230V)
18.3 A
Rec. Main Breaker
30 AT
Wire: 5.5 mm² (#10)
* Simplified calculation for educational demonstration only. Does not account for demand factors or specific code requirements.