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IEC 61936-1:2021

Power installations exceeding 1 kV AC and 1,5 kV DC - Part 1: AC

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410.00 € 

IEC 60364-8-1:2019

Low-voltage electrical installations - Part 8-1: Functional aspects - Energy efficiency

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365.00 € 

IEC 60364-5-54:2011

Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors

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280.00 €