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Voltage Drop Calculator

AS/NZS 3008.1.1:2025 + AS/NZS 3000:2018

✓ 2025 Standard📉 Phase 1

Inputs

Advanced options

AS/NZS 3000:2018 default limit is 5%

Results

Voltage Drop

6.62

V

2.9%

of 230V

Voltage at Load223.38 V
Compliance Margin2.1%

Voltage Drop

2.9 % (<= 5 %)

Minimum Voltage at Load

223.38 V (>= 216.2 V)

Important: These results are indicative only. Voltage drop calculations are based on placeholder resistance tables pending CPEng validation against AS/NZS 3008.1.1:2025. Do not use for final design without independent verification.

Voltage Drop Guide — AS/NZS 3000:2018

AS/NZS 3000:2018 Clause 3.6 limits voltage drop to 5% of the supply voltage from the point of supply to the most remote point. This calculator validates whether your selected cable meets this requirement.

Disclaimer: This calculator is a guide only. Always verify with the current standards.