HD 472:1989现行
Nominal Voltages For Low-voltage Public Electricity Supply Systems
出版：European Committee for Standards - Electrical
专家解读视频
Applies to: a.c. transmission, distribution and utilization systems and equipment with standard frequencies 50 Hz and 60 Hz and a nominal voltage above 100 V.
NEN HD 472:1989 - Identical
UNE 21301:1991 - Identical
DIN 49448 (1991-10) - Identical
DIN 49445 (1991-10) - Identical
DIN 49447 (1991-10) - Identical
IEC 60038 Ed. 6.2 - Identical
DIN 49810-3 (1993-04) - Identical
DIN 49810-4 (1993-04) - Identical
DIN 49810-5 (1993-04) - Identical
DIN 49812-1 (1993-04) - Identical
DIN 49812-2 (1993-04) - Identical
DIN 49812-3 (1993-04) - Identical
DIN 49812-4 (1993-04) - Identical
VDE 0620:1992 - Identical
VDE 0175:2002 - Identical
VDE 0250-201:1992 - Identical
VDE 0250-603:1992 - Identical
VDE 0250-806:1992 - Identical
ONORM E 1100-2:1990 - Identical
SN HD 472:1994 - Identical
DIN VDE 0250-806 (1992-09) - Identical
DIN VDE 0620 (1992-05) - Identical
DIN IEC 60038 (2002-11) - Identical
CEI 8-6 Ed. 1 (1998) - Identical
CEI 8-6 V1:2005 - Identical
BS 7697:1993 - Equivalent
