BS EN 62488-3. Power line communication systems for power utility applications. Part 3. Digital Power Line Carrier (DPLC) terminals and hybrid ADPLC terminals— 70 стр.
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices (IEC 60947-5-1:2003 + A1:2009) (english version)
Power line communication systems for power utility applications -- Part 2: Analogue power line carrier terminals or APLC ( IEC 62488-2:2017) (english version)
Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 1: General principles and requirements (IEC 62689-1:2016) (english version)