International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference HD 472 S1:1989
Title Nominal voltages for low-voltage public electricity supply systems
Project Number 64
Abstract/Scope 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; a.c. and d.c. traction systems; a.c. and d.c. equipment with nominal voltages below 120 V a.c. or below 750 V d.c.


Current Stage code 6060
Current Stage code date 1989-01-09
Current Stage code deadline 1989-12-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 8
Reference Document IEC 60038:1983 (MOD)
ICS 29.020 - Electrical engineering in general
Keywords Public electricity; Supply system; LV; Nominal voltage
Note 60 BT decision: Memorandum 14 adopted * 62 BT decision: Informative annex to indicate which countries cannot endorse HD * Corrigendum to HD issued February 2002 * D127/092: CCL/TC 8X feeback regarding D125/051 endorsed (no need to reduce the voltage tolerance, which represents a consensus for more than 20 years) * Superseded by EN 60038:2011
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 1989-01-09 1989-12-01 export to doc file  EN
5099 1988-11-04 1988-12-04  
5020 1988-06-28 1988-10-15  
2020 1987-12-03 1988-06-17  
1591 1986-05-07    
1520 1984-06-27 1984-09-30  

Implementation Dates

date of Ratification (DOR) (1) 1988-11-04
date of Availability (DAV) (2) 1989-01-09
date of Announcement (DOA) (3) 1989-06-01
date of Publication (DOP) (4) 1989-12-01
date of Withdrawal (DOW) (5) 1989-12-01


Superseded by EN 60038:2011
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.