Whether a cable is in free air, enclosed in conduit, or buried directly in the ground determines which table you use.
Here is an explanation of that feature and how it works. as3008 current-carrying capacity table
The AS3008 current-carrying capacity table provides CCC values for various types of cables, including: Whether a cable is in free air, enclosed
The primary informative feature of AS3008 current-carrying capacity tables is that They consolidate complex thermal variables (soil thermal resistivity, air temperature, enclosure types) into simplified columns based on Reference Installation Methods, allowing for quick selection while permitting engineers to deviate via calculation if the specific installation scenario falls outside the standard table parameters. The AS3008 current-carrying capacity tables are the backbone
The AS3008 current-carrying capacity tables are the backbone of safe cable sizing in Australia and New Zealand. They are not simple look-up tables—they require careful selection of installation method, conductor type, and derating factors. Mastering these tables ensures compliance, safety, and efficiency in electrical design.