1、HARMONIZATION DOCUMENT HD 384.3 S2 DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT June 1995 ICs 91.140.50 Supersedes HD 384.3 S1:1985 Descriptors: Demand, diversity, systems, neutral, exposed conductive parts, supply, compatibility, maintainability, safety services English version Electrical instal
2、lations of buildings Part 3: Assessment of general characteristics (IEC 364-3: 1993, modified) Installations lectriques des btiments Partie 3: Dtermination des caractristiques gnrales Merkmale (CE1 364-3: 1993, modifie) Elektrische Anlagen von Gebuden Teil 3: Bestimmungen allgemeiner (IEC 364-3: 199
3、3, modifiziert) This Harmonization Document was approved by CENELEC on 1994-1 2-06. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical
4、references concerning such national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Bel
5、gium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr E
6、lektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. HD 384.3 S2:1995 E - CENELEC HD+389*3*S2 95 3904583 0354526 535 Page 2 HO 384.3 S2:1995 Foreword The text of the International Standard IEC 364-3: 1993, prepared by
7、 IEC TC 64, Electrical installations of buildings, together with common modifications prepared by SC 64B, Protection against thermal effects, of Technical Committee CENELEC TC 64, was submitted to the formal vote and was approved by CENELEC as HD 384.3 S2 on 1994-1 2-06. The following dates were fix
8、ed: - latest date by which the existence of the HD - latest date by which the HD has to be implemented has to be announced at national level at national level by publication of a harmonized national standard or by endorsement (doa) 1995-06-01 (dop) 1995-1 2-01 - latest date by which the national sta
9、ndards conflicting with the HD have to be withdrawn (daw) 1995-1 2-01 For products which have complied with HD 384.3 S1:1985 before 1995-1 2-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 2000-1 2-01. Annexes designated
10、“normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this standard, annexes C, D and ZA are normative and annexes A, B and ZB are informative. Annexes ZA and ZB have been added by.CENELEC. Page 3 HD 384.3 S2:1995 Endorsement notice The
11、 text of the International Standard IEC 364-3: 1993 was approved by CENELEC as a Harmonization Document with agreed common modifications as given below. COMMON MODIFICATIONS 3.2 Normative references Replace the text of this subclause by: NOTE: Normative references to international publications are l
12、isted in annex ZA (normative). 31 2 Types of distribution system 312.2.3 Replace the text of this subclause by: 312.2.3 IT system The IT power system has all live parts isolated from earth or one point connected to earth through an impedance, the exposed-conductive parts of the electrical installati
13、on being either: - separately earthed; - collectively earthed; - collectively connected to the earthing of the system (see HD 384.4.41, subclause 41 3.1 .Ci). 313 Supplies 313.2 Put the last sentence of this subclause in a note. 32 Classification of external influences Replace the title and text of
14、this clause by “void“ and move the text to annex ZB (informative). CENELEC HD*384*3*S2 95 3404583 0154528 Page 4 HD 384.3 S2:1995 398 m Annex ZA (normative) Normative references to international publications with their corresponding European publications This Harmonization Document incorporates by d
15、ated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this Harmonization Do
16、cument only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred ,to applies (including amendments). NOTE: When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. P
17、ublication Year IEC 364-4-41 1992 IEC 617-1 1 1983 IEC 721 -3-0 1984 IEC 721-3-3 1987 IEC 721 -3-4 1987 - Title - Year EN/HD Electrical installations of buildings Part 4: Protection for safety Chapter 4 1 : Protection against electric shock Graphical symbols for diagrams Part 1 1 : Architectural and
18、 topographical installation plans and diagrams Classification of environmental conditions EN 6072 1 -3-02 1993 Part 3: Classification of groups of environmental parameters and their severities - Introduction Stationary use at weatherprotected EN 60721 -3-33 1 993 locations Stationary use at non-weat
19、herprotected EN 6072 1 -3-44 1 993 locations 1) IEC 364-4-41:1977 is harmonized as HD 384.4.41 S1:1980. 2) EN 60721-3-0 includes A1:1987 to IEC 721-3-0. 3) EN 60721-3-3 includes A1:1991 to IEC 721-3-3. 4) EN 60721-3-4 includes A1:1991 to IEC 721-3-4. Page 5 HD 384.3 S2:1995 Annex ZB (informath) Classification of external influences NOTE: This annex is given for information: countries are free to introduce or not the classification in their national standards. Insert the text of clause 32 of IEC 364-3:1993.
