Electrical installations for lighting and beaconing of aerodromes - Safety secondary circuits in series circuits - General safety requirements (IEC 62870:2015) (english version)
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications— 33 стр.
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers— 28 стр.
Electrical installations for lighting and beaconing of aerodromes - Maintenance of aeronautical ground lighting constant current series circuits— 55 стр.
