Electrical Cable Size Chart Amps Australia |top| -

Standard charts assume an ambient temperature of 40°C or 45°C. In roof spaces in the Northern Territory or Western Australia, temperatures can soar higher than that. In these cases, the cable must be larger to handle the same load.

Electrical work in Australia is highly regulated. Any work involving fixed wiring (cables inside walls, switchboards, or buried underground) must be performed by a licensed electrician . It is illegal and dangerous to perform this work yourself. electrical cable size chart amps australia

Let's say you need to run a cable for a 20A load. Using the chart above: Standard charts assume an ambient temperature of 40°C