Instalaciones eléctricas en edificios. Campos de tensiones.
Voltage bands for electrical installations of buildings
Domaines de tensions des installations électriques des bâtiments
Buy on AENOR
91.140.50 / Electricity supply systems
CTN 202/SC 64 - Electrical installations and protection against electric shock
HD 193 S2:1982 (Identical)
IEC 449:1973+A1:1979 (Identical)
IEC 60449:1973 (Identical)
It is cancelled by: UNE-EN 61140:2017
This standard is available in:
Print and digital format
Español / Inglés
