Aerospace series - LOTAR - LOng Term Archiving and Retrieval of digital technical product documentation such as 3D CAD and PDM data - PART 121: Semantic representation of CAD 3D Explicit Geometry with Product and Manufacturing Information (Endorsed by Asociación Española de Normalización in December of 2023.)
Edition 2023-12-01

Multi-element metallic cables used in analogue and digital communications and control - Part 12-1: Sectional specification for screened cables characterised from 1 MHz up to 2000 MHz - Horizontal and building backbone cables
Edition 2017-10-18

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Smart grid - Application specification - Interface and framework for customer - Part 12-1: Interface between the CEM and Home/Building Resource manager - General Requirements and Architecture
Edition 2019-01-30

Measuring relays and protection equipment - Part 121: Functional requirements for distance protection (Endorsed by AENOR in October of 2014.)
Edition 2014-10-01

Connectors for electronic equipment - Tests and measurements - Part 12-1: Soldering tests - Test 12a: Solderability, wetting, solder bath method (IEC 60512-12-1:2006).
Edition 2007-02-07

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheets 121 to 124: Extruded silicone sleeving.
Edition 2002-09-30

Fire hazard testing - Part 1-21: Guidance for assessing the fire hazard of electrotechnical products - Ignitability - Summary and relevance of test methods
Edition 2017-02-15

Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry (Endorsed by AENOR in August of 2002.)
Edition 2002-08-01

Optical fibre cables - Part 1-21: Generic specification - Basic optical cable test procedures - Mechanical tests methods
Edition 2019-03-20

Optical fibre cables - Part 1-21: Generic specification - Basic optical cable test procedures - Mechanical tests methods
Edition 2022-10-19