Cable Sizing Calculator

AS/NZS 3008 · Voltage drop · Derating

Code Q&AAll tools

Describe your circuit

Tell me the load, run length, and conditions. I'll calculate the right cable size with full working: current capacity, derating factors, voltage drop, and code references.

AI-powered calculation. Always verify against AS/NZS 3008 and site conditions before selecting cable.

Verify against AS/NZS 3008 · Terms