DIN VDE 0100-520 Bb.1:2008 Electrical installation guide - Selection and erection of electrical equipment - Wiring systems - Limitation of temperature rise of connecting interfaces; German version CLC/TR 50479:2007
2016DIN VDE 0100-520 Bb.1:2016 Low-voltage electrical installations - Part 5-52: Selection and erection of electrical equipment - Wiring systems; Supplement 1: Explanation for application of the normative requirements of DIN VDE 0100-520 (VDE 0100-520):2013-06
2013DIN VDE 0100-520:2013 Low-voltage electrical installations - Part 5-52: Selection and erection of electrical equipment - Wiring systems (IEC 60364-5-52:2009, modified + Corrigendum Feb. 2011); German implementation HD 60364-5-52:2011