Madalpingelised elektripaigaldised. Osa 5-54, Elektriseadmete valik ja paigaldamine. Maandamine ja kaitsejuhid = Low-voltage electrical installations. Part 5-54, Selection and erection of electrical equipment. Earthing arrangements and protective conductors (IEC 60364-5-54:2009)2012 https://www.ester.ee/record=b2758734*est Tugevvoolupaigaldised nimivahelduvpingega üle 1 kV. Osa 1, Üldnõuded = Power installations exceeding 1 kV a.c. Part 1, Common rules (IEC 61936-1:2010, modified)2011 https://www.ester.ee/record=b4279531*est Üle 1 kV nimivahelduvpingega tugevvoolupaigaldiste maandamine = Earthing of power installations exceeding 1 kV a.c.2011 https://www.ester.ee/record=b2743091*est