
ELECTRICAL INSTALLATIONS OF BUILDINGS - PROTECTION FOR SAFETY - CH 47: APPLICATION OF PROTECTIVE MEASURES FOR SAFETY. SEC 473 - MEASURES OF PROTECTION AGAINST OVERCURRENT
出版:International Electrotechnical Committee

专家解读视频
Specifies where overload and short-circuit protective devices have to be placed in the run of the conductor. States particular requirements for protection of phase and neutral conductors according to TN, TT and IT systems. Note.- Requirements do not take account of external influences. For application of protective measures in relation to conditions of external influences, see Chapter 48.
HD 384.4.473 : 200S1 - Similar to
PN IEC 60364-4-473 : 1999 - Identical
UNE 20460-4-473 : 1990 - Identical
NFC 15 100 : 2002 AMD 5 2015 - Similar to
UNE 20460-4-473 : 1990 - Identical
HD 384.4.473 : 200S1 - Similar to
PN IEC 60364-4-473 : 1999 - Identical
CEI 64-8/4 : 2012 - Identical
NBN EN 2378 : 1995 - Identical
DIN VDE 0100-430 : 2010 - Identical