Projects of NA 022

DIN EN IEC 62999-100 2021-02-03 Electric room heating - Underfloor heating - Performance characteristics - Definitions, method of testing, sizing and formula symbols - Enhanced sustainable performance aspects (IEC 59C/250/CDV:2020); Text in German and English More  Comment 
DIN IEC/IEEE 62395-1 2021-02-02 Electrical resistance trace heating systems for industrial and commercial applications - Part 1: General and testing requirements (IEC 27/1147/CD:2022); Text in German and English More  Comment 
DIN IEC/IEEE 62395-2 2021-02-02 Electrical resistance trace heating systems for industrial and commercial applications - Part 2: Application guide for system design, installation and maintenance (IEC 27/1148/CD:2022); Text in German and English More  Comment 
DIN VDE 0845-1-4 2021-01-27 Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges More  Comment 
DIN VDE 0845-1-2 2021-01-27 Protection of telecommunication lines against direct lightning flashes More  Comment 
DIN VDE 0845-1-3 2021-01-27 Protection of telecommunication lines against direct lightning flashes More  Comment 
DIN EN IEC 62788-7-3 2021-01-26 Measurement procedures for materials used in photovoltaic modules - Part 7-3: Environmental exposures - Accelerated abrasion tests of PV module external surfaces More  Comment 
DIN IEC/IEEE 60076-57-1202 2021-01-22 Power transformers - Part 57-1202: Liquid immersed phase-shifting transformers (IEC/IEEE 60076-57-1202:2017) More  Comment 
DIN EN 63288 2021-01-21 Wireless Power Transfer - Measuring method for wireless power transfer efficiency and standby power - Mobile phone; German version 100/3555/CD:2021 More  Comment 
DIN IEC 60335-2-72 2021-01-20 Household and similar electrical appliances - Safety - Part 2-72: Particular requirements for floor treatment machines with or without traction drive, for commercial use (IEC 61J/738/CDV:2020); Text in German and English More  Comment 

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