EN 50310 [documento eletrónico] : telecommunications bonding networks for buildings and other structures / European Commitee for Electrothecnical Standardization
EN 50065-1 [documento eletrónico] : signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz; : Part 1; : general requirements, frequency bands and electromagnetic disturbances / European Committee for Electrotechnical Standardization