I noticed on eBay some imported LED flood lights where the Chinese manufacturers have told the installer to wire the active and neutral around the wrong way.
In mains powered equipment in Australia, the standard is"
brown is active,
blue is neutral and green/yellow is earth.
Does it matter? In my opinion, yes.
You have no way of knowing whether the reversal is a bug in their documentation or they wired the products in a dangerous manner. So one might try to wire active to brown as per Australian standards. Unless you reverse engineer the lights, you won't really know if there is a safety issue. These devices have no transformer, and maybe non-compliant creepage and clearance. The fact the equipment violates Australian safety standards is a worry, but one might wonder what other dangers lurk with such equipment such as bogus IP ratings or approvals. Also, if someone wired in one of these as per the manufacturer's crappy instructions, would it pass an electrical inspection? Do you wire this as per the manufacturer's instructions or as per the Australian standards?
Here is the link to the eBay listing...
http://www.ebay.com.au/itm/LED-Flood-Light-10W-30W-50W-100W-300W-PIR-Motion-Sensor-SMD-Floodlight-240V-IP67-/132290350107?var=&hash=item1ecd1e8c1b:m:mZTGX_sPlol3Kf2SIBXr4LAThe image is an except from the advertisement.