Communication cables - Specifications for test methods - Part 4-1: Environmental test methods - General requirements
Edition 2002-02-22

Communication cables - Part 4-1: General considerations for the use of cables - Environmental conditions and safety aspects
Edition 2016-01-13

Insulating, sheathing and covering materials for low voltage energy cables - Part 4-1: PVC sheathing compounds
Edition 2006-05-10

Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 4-1: Passive optical street cabinet for category A (Endorsed by Asociación Española de Normalización in September of 2019.)
Edition 2019-09-01

Information technology - Data centre facilities and infrastructures - Part 4-1: Overview of and general requirements for key performance indicators (Endorsed by Asociación Española de Normalización in February of 2017.)
Edition 2017-02-01

Household appliances network and grid connectivity - Part 4-1: Communication Protocol Specific Aspects: SPINE, SPINE-IoT and SHIP (Endorsed by Asociación Española de Normalización in April of 2023.)
Edition 2023-04-01

Electrical insulating materials - Thermal endurance properties - Part 4-1: Ageing ovens - Single-chamber ovens (IEC 60216-4-1:2006). (Endorsed by AENOR in August of 2006.)
Edition 2006-08-01

Packaging of winding wires - Part 4-1: Methods of test - Delivery spools made from thermoplastic materials
Edition 2011-04-06

Piezoelectric filters of assessed quality - Part 4-1: Blank detail specification - Capability approval (Endorsed by AENOR in April of 2001.)
Edition 2001-04-01

Piezoelectric filters of assessed quality - Part 4-1: Blank detail specification - Capability approval (Endorsed by AENOR in April of 2001.)
Edition 2001-04-01