Electrical installations in residential buildings - Part 1: Planning principles
Edition 2020-05

Service connections for buildings - General planning criteria
Edition 2018-04

Electrical communication engineering; connectors, telecommunication adapter equipment (TAE); common characteristics, types
Edition 1991-05

Multi-pair cables used in high bite rate digital access telecommunication networks - Part 2: Indoor multi-pair/quad cables for installation in Multi Dwelling Units shaft supporting universal services, xDSL and applications up to 100 MBits over IP
Edition 2012-06-01

Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 2: Pot-cores for use in telecommunications, power supply, and filter applications ((IEC 63093-2:2020) EN IEC 63093-2:2020) (german version)
Edition 2021-04-01

Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (IEC 61643-352:2018) (german version)
Edition 2020-01-01

Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 2: Pot-cores for use in telecommunications, power supply, and filter applications
Edition 2020-05

End user multi-pair cables used in high bit rate telecommunication networks - Part 2: Duct and buried cables
Edition 2005-03-01

Communication network dependability engineering
Edition 2010-02

End user multi-pair cables used in high bit rate telecommunication networks. Part 2: Duct and buried cables
Edition 2004-07