Free Tool

Cable Size Calculator

AS/NZS 3008.1 cable sizing for solar DC and AC circuits

Circuit Type *

Current (A) *

Cable Length (m) *

One-way distance

Voltage (V) *

Max Voltage Drop (%)

Typically 3% for submains, 5% total

Installation Method *

Ambient Temp (°C)

Grouped Cables

Number of circuits grouped together