16mm Cable Current Rating Australia |top| | CERTIFIED – 2025 |

For a standard cable operating in typical Australian conditions (ambient air temp 40°C, ground temp 25°C), the current carrying capacities (Iz) generally fall into these ranges.

If you are sizing a circuit for a new air conditioner, a sub-mains feed to a granny flat, or a heavy-duty appliance, the is a staple in the Australian electrical industry. It hits that "sweet spot" between the common lighter domestic sizes (2.5mm and 4mm) and the heavier commercial cables (25mm and above). 16mm cable current rating australia