EN European Norm Tests Part 168
EN Standards are European Standards. These standards specify requirements for a particular item, material, component, system or service, or describe in detail a particular method or procedure, and tests are performed accordingly.

- EN 187000 : 1994 ; General specifications for fiber optic cables.
- EN 187101 : 1995 ; Compatible quality assessment system for electronic components. Family features : Optical telecommunication cables to be used in ducts or directly buried applications.
- EN 187102 : 1995 ; Compatible quality assessment system for electronic components. Family features: optical antenna telecommunications cables.
- EN 188000 : 1994 ; General specification for optical fibers.
- EN 188100 : 1995 ; Compatible quality assessment system for electronic components. Cross-sectional characteristics: single-mode (SM) optical fiber.
- EN 188101 : 1995 ; Compatible quality assessment system for electronic components. Family feature: single-mode dispersion-free (B1;1) optical fiber.
- EN 188102 : 1996 ; Compatible quality assessment system for electronic components. Family feature: single-mode dispersion shift (B2) optical fiber.
- EN 188200: 1996; Compatible quality assessment system for electronic components. Section properties. Optical fibers A1 category graded index multimode.
- EN 188201: 1996; Compatible quality assessment system for electronic components. Family features: A1a grade index multimode optical fibers.
- EN 188202: 1996; Compatible quality assessment system for electronic components. Family features: A1b grade index multimode optical fibers.
- EN 190000 : 1996 ; Compatible quality assessment system for electronic components. General features: monolithic integrated circuits.
- EN 190100 : 1993 ; Harmonized quality assessment system for electronic components: cross-sectional characteristics: digital monolithic integrated circuits.
- EN 190101 : 1994 ; Harmonized quality assessment system specification for electronic components. Family features: digital integrated TTL circuits series 54, 64, 74, 84;
- EN 190102: 1994; Harmonized quality assessment system specification for electronic components. Family features: digital integrated TTL-SCHOTTKY circuits, series 54S, 64S, 74S, 84S.
- EN 190103: 1994; Harmonized quality assessment system specification for electronic components. Family features: digital integrated TTL low-power SCHOTTKY, circuits, series 54LS, 64LS, 74LS, 84LS.
- EN 190106 : 1994 ; Harmonized quality assessment system specification for electronic components. family characteristics. TTL advanced low-power SCHOTTKY digital integrated circuits series 54 ALS, 74 ALS.
- EN 190107: 1994; Harmonized quality assessment system specification for electronic components. family characteristics. TTL FAST digital integrated circuits series 54 F, 74 F.
- EN 190108 : 1994 ; Harmonized quality assessment system specification for electronic components. family characteristics. TTL advanced SCHOTTKY digital integrated circuits series 54 AS, 74 AS.
- EN 190109: 1994; Harmonized quality assessment system specification for electronic components. Family features: digital integrated HC MOS circuits series HC/HCT/HCU.
- EN 190110 : 1994 ; Harmonized quality assessment system specification for electronic components. Blank detail feature: digital microprocessor integrated circuits.
- EN 190116 : 1994 ; Compatible quality assessment system for electronic components. Family features: AC MOS digital integrated circuits.
- EN 1960000 : 1993 ; Compatible quality assessment system for electronic components. General specification. Electromechanical switches.
- EN 196103: 2000; Empty detail feature : Rotary switches. Evaluation level Y.
- EN 196403: 2000; Harmonized quality assessment systems for electronic components. Blank detail feature: push button switches. Evaluation level Y.
- EN 196500 : 1993 ; Compatible quality assessment system for electronic components. Section properties. Membrane switches including blank detail specification EN 196501;
- EN 301549: 2014; Appropriate accessibility requirements for public procurement of ICT products and services in Europe.
- EN 301549: 2015; Appropriate accessibility requirements for public procurement of ICT products and services in Europe.
- EN 419211-1 : 2014 ; Protection profiles for the secure signature creation device. overview
- EN 419211-2 : 2013 ; Protection profiles for the secure signature creation device. Device with key generation
- EN 419211-3 : 2013 ; Protection profiles for the secure signature creation device. Device with key import
- EN 419211-4 : 2013 ; Protection profiles for the secure signature creation device. Extension for device with key generation and trusted channel certificate generation implementation
- EN 419211-5 : 2013 ; Protection profiles for the secure signature creation device. Extension for device with trusted channel to key generation and signature generation application
- EN 419211-6: 2014; Protection profiles for the secure signature creation device. Extension for device with trusted channel to key import and signature generation application
- EN 419212-1: 2014; Application Interface for smart cards used as Secure Signature Creation Devices. Basic services
- EN 419212-2: 2014; Application Interface for smart cards used as Secure Signature Creation Devices. Additional services
- EN 419251-1 : 2013 ; Security requirements for the device for authentication. Protection profile for basic functionality
- EN 419251-2 : 2013 ; Security requirements for the device for authentication. Protection profile for extending from trusted channel to certificate generation application
- EN 419251-3 : 2013 ; Security requirements for the device for authentication. Additional functionality for security objectives
Standards facilitate international trade by ensuring compatibility and interoperability of components, products and services. European Standards (ENs) are documents approved by three European Standardization Organizations (ESO), CEN, CENELEC or ETSI; Recognized as competent in the field of voluntary technical standardization for EU Regulation 1025/2012.