Fragment 1: Elektromagnetska kompatibilnost (EMC) — Deo 2-4: Okruženje — Nivoi kompatibilnosti u sistemima prenosa napajanja u industrijskim lokacijama za smetnje na niskim frekvencijama
Fragment 1: Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in power distribution systems in industrial locations for low-frequency conducted disturbances