EN 1149-3
​​​​​​​- Protection against static electricity (ESD)

Standard designed primarily for work clothes and pictograms.

Standard for workwear with protective properties against electrostatic discharge for use in areas where there is a risk of explosion.
E.g. in refineries.


  • The clothes must fully cover all fabric that does not provide anti-static protection.
  • Accessories, such as labels and reflective tags, must be permanently attached to the garment, so that they cannot be removed from the garment. Floating parts are not allowed.
  • Accessories that can carry electricity, for instance zips and metal buttons, are only allowed if they are fully covered by an anti-static outer textile.


The outer textile must be tested and approved in accordance with the following standards:
EN 1149-1 or EN 1149-3. The distance between the threads that can carry electricity must not exceed 10 mm.

This is only an excerpt from the standard, subject to errors. For the complete and latest version of the standard, visit standard.no

Last update: March 2024