E DIN EN 50310 VDE 0800-2-310 Beiblatt 1:2023-12

Telecommunications bonding networks for buildings and other structures;

Supplement 1: Assessment of equipotential bonding for information technology equipment in existing installations

E DIN EN IEC 61439-3 VDE 0660-600-3:2023-02

Low-voltage switchgear and controlgear assemblies

Part 3: Distribution boards intended to be operated by ordinary persons (DBO)

E DIN EN IEC 61439-4 VDE 0660-600-4:2022-12

Low-voltage switchgear and controlgear assemblies

Part 4: Particular requirements for assemblies for construction sites (ACS)

E DIN EN 60204-1/A1 VDE 0113-1/A1:2021-01

Safety of machinery – Electrical equipment of machines

Part 1: General requirements