AS/NZ standard state 568A should be used. A lot of patch leads imported from various places are wired 568B, and there is no issue with that, but permanent cabling should be wired 568A to reduce confusion.
Lets be honest the NIC is colour blind so it doesnt give a rats &rse.
cyril7: ELV (and TNV) to LV?, Legal requirement, punishable by removal of electrical registration is 50mm or a solid permanent insulating separator. Recommended 300mm minimum for interference mitigation.
Not trying to hijack this but it got me thinking about wiring my father in law has had done in his house.
There are a number of places where the sparky has put power and cat5e through the same hole (going from one floor to another, or through a wall) so he didn't have to drill another hole. After going through the same hole it is seperated. At the time I thought it was just lazy work and even made the comment to him.