BS EN 50341-2-4:2019 Overhead electrical lines exceeding AC 1 kV National Normative Aspects (NNA) for GERMANY (based on EN 50341-1:2012)

Overhead contact lines
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Overhead line conductors
Federal Republic of Germany
Electric power transmission
Electric power transmission lines
Power cables
Alternating current
Alternating-current power transmission
Structural design
Electric power distribution lines
Overhead power lines
High-voltage equipment
Electric power systems
Electrical equipment
Electric cables

Link: BS EN 50341-2-4:2019 Overhead electrical lines exceeding AC 1 kV National Normative Aspects (NNA) for GERMANY (based on EN 50341-1:2012)
Source: BSI Standards

BS EN 12102-2:2019 Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level Heat pump water heaters

Heat pumps
Space-heating systems
Sound intensity
Dehumidifiers
Acoustic measurement
Cooling
Noise (environmental)
Reverberation rooms
Ventilation ductwork
Installation
Compressors
Air-conditioning equipment
Testing conditions
Air conditioners
Frequencies
Airborne noise
Designations
Ventilation

Link: BS EN 12102-2:2019 Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level Heat pump water heaters
Source: BSI Standards