Thyristor valves for thyristor controlled series capacitors (TCSC) - Electrical testing (IEC 62823:2015 + A1:2019); German version EN 62823:2015 + A1:2020
Edition 2020-12

Aerospace series - Cables, electrical, aircraft use - Test methods - Part 706: Laser markability; German and English version EN 3475-706:2005
Edition 2006-07

Water cisterns
Edition 2013-08-01

Design and installation of earth energy systems
Edition 2013-07-01

Design and installation of ground source heat pump systems for commercial and residential buildings
Edition 2025-05-01

Wood preservation
Edition 2021-10-01

Storage of hydrocarbons in underground formations
Edition 2022

Polymeric subsurface stormwater management structures
Edition 2022-06-01

Building energy estimation methodology
Edition 2015-11-01