IEC 60529 pdf download Degrees of protection provided by enclosures (IP Code)
Barriers external to the enclosure and not attached to it and obstacles which have beenprovided solely for the safety of personnel are not considered as a part of the enclosure andare not dealt with in this standard.
The following normative documents contain provisions which,through reference in this text,constitute provisions of this International Standard. For dated references，subsequentamendments to,or revisions of，any of these publications do not apply.However，parties toagreements based on this International Standard are encouraged to investigate the possibilityof applying the most recent editions of the normative documents indicated below. For undatedreferences, the latest edition of the normative document referred to applies.Members of lECand lso maintain registers of currently valid lnternational Standards.
IEC 60050-195:1998,International Electrotechnical Vocabulary (IEV) – Part 195: Earthing andprotection against electric shock
IEC 60050(826):1982,International Electrotechnical Vocabulary (IEV) – Chapter 826: Electricalinstallations of buildings
IEC 60068-1:1988,Environmental testing – Part 1: General and guidance
IEc 60068-2-68:1994,Environmental testing – Part 2: Tests – Test L : Dust and sand
IEC 60071-2:1996,Insulation co-ordination – Part 2: Application guide
For the purpose of this standard, the following definitions apply:
a part providing protection of equipment against certain external influences and，in anydirection, protection against direct contact [lEV 826-03-12]*.
NOTE This definition taken from the existing International Electrotechnical Vocabulary (IEV) needs the followingexplanations under the scope of this standard:
1) Enclosures provide protection of persons or livestock against access to hazardous parts.
2)Barriers， shapes of openings or any other means – whether attached to the enclosure or formed by the enclosed equipment – suitable to prevent or limit the penetration of the specified test probes are consideredas a part of the enclosure, except when they can be removed without the use of a key or tool.
contact of persons or livestock with live parts [IEV 826-03-05]
NOTE This lEV definition is given for information. In this standard “direct contact” is replaced by “access tohazardous parts”.