Free Tool
Max Demand Calculator
AS/NZS 3000 maximum demand for residential switchboards
💡 Lighting Circuits
First 2kVA at 100%, next 4kVA at 50%, remainder at 25%
VA
Total lighting: 1,800 VA
🔌 Power Points
First 20 at 1kVA each, additional at 0.5kVA — then 50% diversity applied
pts
Total points: 20
⚡ Fixed Appliances
Add fixed appliances — cooking and A/C get diversity applied automatically
No fixed appliances added