AS/NZS 3008

Voltage Drop Calculator

Check voltage drop percentage for cable runs against AS/NZS 3000 limits — 3% for sub-mains, 5% for final sub-circuits.

For reference only — always verify with the current published standard and consult a licensed electrical engineer for critical installations.

Voltage Drop Inputs

Cable Size (mm²)

Cable Length (m)

Load Current (A)

Phase Configuration

Supply Voltage (V)

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