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prEN 50411-2-5
Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 2-5: Sealed closures for air blown fibre microduct, type 1, for category S & A
prEN 50411-2-8
Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 2-8: Microduct connectors, for air blown optical fibres, Type 1
prEN 50436-4
Alcohol interlocks - Test methods and performance requirements - Part 4: Connectors for the electrical connection between the alcohol interlock and the vehicle; German version prEN 50436-4:2007
prEN 50440
Efficiency of domestic electrical storage water-heaters
prEN 50471
Electromagnetic compatibility (EMC) - Product family emission standard for wire-line telecommunication networks
prEN 50491-5-1
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 5-1: EMC requirements, conditions and test set-up
prEN 50491-5-2
General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 5-2: EMC requirements for HBES/BACS (Class A) used in residential, commercial and light industry environment
prEN 50503
Fluids for electrotechnical applications - Standard for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
prEN 60068-2-27
Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock (IEC 60068-2-27:2008)
prEN 60076-15
Power transformers - Part 15: Gas-filled-type power transformers (IEC 14/553/CDV:2007)