Standards, i.e. requirements for high-visibility clothing

May 29, 2017
Guide
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The EN ISO 20471 standard is the current version of the EN 471 standard. It specifies the requirements for high-visibility clothing that allows visual indication of presence in the user's traffic zone, for operators of vehicles or other mechanical devices, in all lighting conditions, both in daylight and and in the dark when illuminated by vehicle headlights. The EN ISO 20471 standard specifies the requirements for color and reflectivity, as well as the minimum surfaces and the arrangement of materials in protective clothing. In addition, it imposes an obligation to inform the user about the maximum number of cycles and the method of washing that can be subjected to clothing while maintaining an appropriate level of protection.

The standard maintains the division of clothing into 3 categories. They are determined on the basis of the minimum area of reflective materials given in m². Category 1 is the lowest category and category 3 has the highest level of visibility

	Category 3 clothing	Category 2 clothing	Category 1 clothing
Background material	0,8 m²	0,5 m²	0,14 m²
Reflective material	0,2 m²	0,13 m²	0,10 m²
A material with combined properties	...	...	0,2 m²

Category 2	Category 3
Medium degree of visibility	The highest degree of visibility


e.g. sleeveless vests, bedspreads, dungarees	e.g. coats and jackets with sleeves, coveralls, two-piece clothes

0,5 m² fluorescent material	0,8 m² fluorescent material
0,13 m² retroreflective material	0,2 m² retroreflective material

Risk level	Factor influencing the level of risk		The level of risk / characteristics of the garment
Risk level	Vehicle speed	Road user type	The level of risk / characteristics of the garment
High risk ISO 20471 Class 3	> 60 km/h	Passive	High visibility	Day and night visibility 360 ° (visibility from all sides) silhouette recognition girdle of the torso quantity and quality day and night
High risk ISO 20471 Class 2	≤ 60 km/h
High risk ISO 20471 Class 1	≤ 30 km/h			Day and night visibility 360 ° (visibility from all sides) silhouette recognition quantity and quality day and night
Medium risk	≤ 60 km/h	Active	Increased visibility	Day and night visibility Visibility from all sides recognition of movements, whenever possible (not necessarily girdling the torso) quantity and quality day and night more freedom in color and design
	≤ 15 km/h	Passive		Night visibility Visibility from all sides recognition of movements, whenever possible (not necessarily girdling the torso) quantity and quality at night (not necessarily ISO 20471) no "gadgets"
	≤ 60 km/h	Active
Low risk	-	-	Visibility	light colors piping and / or partial application of reflective material any quantity and quality

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Category 2

Category 3

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