What is NEN Connect?

is an online database of the Dutch Standardization Institute and the NEC Foundation; and provides access to:

  • All Dutch standards (NEN, NPR, NTA, NVN, standards in draft),
  • European and International standards accepted in the Netherlands (NEN-EN, NEN-EN-ISO, NEN-ISO, NEN-EN-IEC and NEN-IEC),
  • International standards (ISO, IEC),
  • practice guidelines.

Types of standards

The different types of agreements developed by NEN:


The most common European and global agreements:


Abbreviations in NEN Connect

CEN = the European Committee for Standardization (Comité Européen de Normalisation)

CENELEC = European Committee for Electrotechnical Standardization (Comité Européen de Normalisation Electrotechnique)

ICS-code = International Classification for Standards code

IEC = International Electrotechnical Commission

ISO = International Organisation for Standardization

PGS = Dutch publication series Hazardous Substances 

Other helpful resources