Australian Standards for Hi Visibility
Australian Standards for High Visibility Safety Garments
The Australian Standard AS/NZS4602.1:2011 specifies the visual requirement for high visibility safety garments for occupational wear by people who may be exposed to hazard from moving traffic, moving plant or equipment in high risk situations.
Classification of garments
The garments specified in the Australian Standard AS/NZS4602.1:2011 are classified as follows:
Class D = Day Only
Class D/ N = Day/ Night
Class N = Night Only
A garment designed for daytime use only. Class D garments are intended to provide the wearer with high visibility under daylight viewing conditions and generally not effective when viewed under artificial light.
A garment designed for both day and night use, comprising retro reflective elements on a fluorescent or other non-retro reflective high visibility background material.
A garment designed for night time use only. The reflective tape only provides visibility when in reflective situation such as headlights from vehicles or plant equipment. These garments are largely ineffective under daylight conditions or at night if they are not viewed by retro-reflected light.
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