scope:

This Standard specifies requirements for high visibility safety clothing which is capable of visually signalling the user's presence. The high visibility safety clothing is intended to provide conspicuity of the wearer in any light condition when viewed by operators of moving bodies such as vehicles or construction machines (hereafter referred to as moving bodies) during daylight conditions and under illumination of headlights in the dark.

This Standard is not applicable to medium-risk and low-risk situations (see Annex A). Performance requirements are included for colour and retroreflection as well as for the minimum areas and for the placement of the materials in protective clothing.

NOTE The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 20471:2013 High visibility clothing-Test methods and requirements and Amendment 1:2016 (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standards and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ IEC Guide 21-1.