IEC
International Standards and Conformity Assessment for all electrical, electronic and related technologies.
If you want to know more about lightning and ESEs
Here are a few useful links that might interest you.
Useful Links
Afnor
French standard organization providing online standard library.
https://www.boutique.afnor.org/en-gb/standard/
Cenelec
European Committee for Electrotechnical Standardization.
Lightning Map
This map shows the average number of lightning events per km² per year for every country using data from 2016 to 2022. You can also zoom in to see detailed data by state or region.
https://interactive-lightning-map.vaisala.com/Lightningmap.org
Aenor
AENOR, a leading organization in the certification of management systems and products, responsible for the development and dissemination of UNE standards.
INERIS (french)
Le label Qualifoudre est une garantie de qualité des services fournis pour la protection et la prévention contre la foudre.