1.
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
Data Publicação:
2011
Tema:
Normas
2.
EN 50173-1 [documento eletrónico] : information technology: generic cabling systems: part 1: general requirements / European Commitee for Electrothecnical Standardization
Data Publicação:
2011
Tema:
Normas
3.
EN 50399 [documento eletrónico] : common test methods for cables under fire conditions: heat release and smoke production measurement on cables during flame spread test: test apparatus, procedures, results / European Commitee for Electrothecnical Standardization
Data Publicação:
2011
Tema:
Normas
