International Standards and Conformity Assessment for all electrical, electronic and related technologies
Switchgear and controlgear and their assemblies for low voltage
121/14/NPPNW 121-14: Environmental aspects for Low-Voltage Switchgear and Controlgear and their assemblies.
121/13A/INFIEC 61439-8 Ed.1: Low-voltage switchgear and controlgear assemblies - Part 8: Assemblies for machinery (cabinets, boards or panels)
121/13/INFThis document has been replaced by 121/13A/INF