For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:.IEC Electropedia: available at http://www.electropedia.org/
. ISO online browsing platform: available at https://www.iso.org/obp/ui
3.1
combined-performance material
material intended to exhibit both fluorescent and retroreflective properties
Note 1 to entry: “Fluorescent material” is defined as “background material” in EN ISO 20471:2013.
[SOURCE: EN ISO 20471:2013,3.6]
3.2
dark condition
light conditions similar to light outside after sunset and before sunrise
3.3
daylight
light conditions similar to light outside after sunrise and before sunset
3.4
enhanced-visibility equipment
clothing/garment or device, intended to provide conspicuity during daylight and/or dark conditions and/or twilight
3.5
family of devices
group of devices made with identical raw materials (manufacturer, article number, reflected colour, product variation, etc.) and identical manufacturing process as the base of the model
