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



Reference EN 61770:1999
Title Electric appliances connected to the water mains - Avoidance of backsiphonage and failure of hose-sets
Project Number 12230
Abstract/Scope Specifies requirements for the connection of appliances to the water mains to prevent backsiphonage of non-potable water into the water mains and flooding due to failure of hose-sets. Appliances include washing machines, dishwashers and other appliances. This includes domestic appliances and those in shops and communal flats. The water pressure is not to exceed 1 MPa. Connection may be temporary or permanent.


Current Stage code 6060
Current Stage code date 1999-12-22
Current Stage code deadline 2000-04-01
Deadline date for vote  


Directive(s) LVD (2006/95/EC)
Order Voucher  


IEC Technical Body IEC/TC 61
Reference Document IEC 61770:1998 (EQV)
ICS 91.140.60 - Water supply systems
97.030 - Domestic electrical appliances in general
Keywords Water main; Backsiphonage; Hose set failure
Note Supersedes EN 50084:1992 * Replaces 1998 edition * Corrigendum to EN issued August 2007 * Superseded by EN 61770:2009
A-Deviation(s) DK, GB, NO, SE
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 1999-12-22 2000-04-01 export to doc file  EN  FR
6020 1998-11-01 1999-02-01  
5099 1998-10-01 1998-11-01  
5062 1998-09-11 1998-10-01  
5020 1998-06-19 1998-08-31  
1090 1998-06-15 1998-06-19  

Implementation Dates

date of Ratification (DOR) (1) 1998-10-01
date of Availability (DAV) (2) 1999-12-22
date of Announcement (DOA) (3) 1999-01-01
date of Publication (DOP) (4) 2000-04-01
date of Withdrawal (DOW) (5) 2002-04-01


Supersedes EN 50084:1992
EN 50084:1992/A1:1998
Superseded by EN 61770:2009
Normative reference (6) EN 60730-2-8:1995
corr. July 1997
corr. March 2001

(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.