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Standards of IEC, Cenelec and Electrosuisse are made in a high degree of professionalism and know how as well as with intensive ratifications. However it can happen, that after publication adjustments have to be made.


Electrosuisse publishes corrections and adjustments in separate documents called Corrigenda. Corrigenda for IEC and Cenelec standards are available as free downloads in the Normenshop. For standard documents written in Switzerland (SN, SNR and SNG; without SN EN) Corrigenda are available here as free downloads. An indication to the complete summary of all Corrigenda is on page 2 for all standard documents that are written in Switzerland.

SNR 461439 Distribution boards up to 125 A intended to be operated by ordinary persons (DBO)

SNG 483755 Erden als Schutzmassnahme in elektrischen Starkstromanlagen