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NF C20-924-1-21 ; NF EN 60695-1-21:2017-01-21
Fire hazard testing - Part 1-21 : guidance for assessing the fire hazard of electrotechnical products - Ignitability - Summary and relevance of test methods
Edition
2017-01-21
NF C45-200-121 ; NF EN 60255-121:2014-12-26
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection
Edition
2014-12-26
NF C57-700-12-1 ; NF EN IEC 61400-12-1:2022-10-14
Wind energy generation systems - Part 12-1 : power performance measurements of electricity producing wind turbines
Edition
2022-10-14
NF C57-700-12-1 ; NF EN 61400-12-1:2017-08-19
Wind energy generation systems - Part 12-1 : power performance measurements of electricity producing wind turbines
Edition
2017-08-19
NF C90-410-12-1 ; NF EN 50491-12-1:2018-07-27
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/Buildin
Edition
2018-07-27
NF C93-400-12-1 ; NF EN 60512-12-1:2006-08-01
Connectors for electronic equipment - Tests and measurements - Part 12-1 : soldering tests - Test 12a : solderability, wetting, solder bath method
Edition
2006-08-01
NF C93-542-12-1 ; NF EN 50288-12-1:2017-08-25
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 2 000 MHz - Horizontal and building backbone cables
Edition
2017-08-25
NF C93-643-121 ; NF EN 60684-3-121 A 124:2003-12-01
Flexible insulating sleeving - Part 3: specifications for individual types of sleeving - Sheets 121 to 124 : extruded silicone sleeving
Edition
2003-12-01
NF C93-840-1-21 ; NF EN 60793-1-21:2002-07-01
Optical fibres - Part 1-21 : measurement methods and test procedures - Coating geometry
Edition
2002-07-01
NF C93-850-1-21 ; NF EN 60794-1-21:2015-05-15
Optical fibre cables - Part 1-21 : generic specification - Basic optical cable test procedures - Mechanical tests methods
Edition
2015-05-15