1、CENELEC HD*384*5.52 SL 95 3404583 0354530 T4b E HARMONIZATION DOCUMENT HD 384.5.52 SI DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT June 1995 ICs 29,060.20; 91.140.50 Descriptors: Electrical installation, building, wiring system, type, selection, current-carrying capacity, section, voltage drop En
2、glish version Electrical installations of buildings Part 5: Selection and erection of electrical equipment Chapter 52: Wiring systems (IEC 364-5-52:1993, modified) Installations lectriques des btiments Partie 5: Choix et mise en oeuvre des matriels lectriques Betriebsmitteln Chapitre 52: Canalisatio
3、ns (CE1 364-5-52: 1993, modifie) Elektrische Anlagen von Gebuden Teil 5: Auswahl und Errichtung von Kapitel 52: Kabel- und Leitungssysteme (IEC 364-5-52: 1993, modifiziert) This Harmonization Document was approved by CENELEC on 1994-1 2-06. CENELEC members are bound to comply with the CENICENELEC In
4、ternal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning such national implementation may be obtained on application to the Central secretariat or to any CENELEC member. This Ha
5、rmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerlan
6、d and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. HO 384
7、.5.52 S1:1995 E CENELEC HD*384=5=52 SI 75 3404583 OL5453L 982 Page 2 HD 384.5.52 S1:1995 Foreword The text of the International Standard IEC 384-5-52:1993, prepared by IEC TC 64, Electrical installations of buildings, together with common modifications prepared by SC 648, Protection against thermal
8、effects, of Technical Committee CENELEC TC 64, was submitted to the formal vote and was approved by CENELEC as HD 384.5.52 S1 on 1994-1 2-06. The following dates were fixed: - latest date by which the existence of the HD has to be announced at national level (doa) 1995-06-01 - latest date by which t
9、he HO has to be implemented at national level by publication of a harmonized national standard or by endorsement (dop) 1995-1 2-01 - latest date by which the national standards conflicting with the HO have to be withdrawn (daw) 1995-1 2-01 For products which have complied with the relevant national
10、standard 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 “normative“ are part of the body of the standard. In this standard, annexes ZA and ZB are normative. Annexes ZA and
11、ZB have been added by CENELEC. Page 3 HD 384.5.52 S1:1995 accessible 25 Building voids not accessible 21, 25, 73,74 Endorsement notice 21,25 22 31, 32, 23 12, 13, O 75 14, 15.16 O 22 O 23 O 73.74 The text of the International Standard IEC 384-5-52:1993 was approved by CENELEC as a Harmonization Docu
12、ment with agreed common modifications as given below. COMMON MODIFICATIONS 520.2 521.2 521.5 Table 52F Table 52G Normative references Replace the text of this subclause by : NOTE : Normative references to international publications are listed in annex ZA (normative). Add the following note : NOTE :
13、Other methods of installation of wiring systems not included in table 52 G are allowed provided that they fulfil the requirements of this chapter. AC circuits Change the beginning of this subclause to : Conductors and single core cables of a.c. circuits . Column cable trunking/line insulated conduct
14、ors add an asterisk (*) and add at the bottom of the table the following. (*) insulated conductors are admitted if the cover can be only taken off by the mean of a tool or with an important hand exertion and if the trunking is IP4X or IPXXD. Replace the first line of the table by the following Table
15、 52G Column cable trunking/line embedded in structure : add 75 Table 52H Reference 13 - Read : On perforated trays or on wire mesh - run horizontally or vertically. Table 52H Reference 31.31A -add : Insulated conductors Table 52H Reference 41 - read : Insulated conductors, single and/or multicore ca
16、bles in conduits in enclosed cable channels, run horizontally or vertically. Page 4 HD 384.5.52 S1:1995 Table 52H Reference 42 and 43 - add at the end of the description : and at the bottom of the page add : (1) It is recommended that these methods of installation are used only In areas where access
17、 Is restricted to authorized persons and the reduction of current-carrylng capacity and the fire hazard due to the accumulation of debris can be prevented (1 1 Table 52H Reference 72 - Read : insulated conductors, sheathed singlecore or multicore =Mes in skirting, trunking space for data and communi
18、cation cables. Table 52H Add the following reference : insulated conductors or singlecore or multicore cables in embedded trunking 75 522.1.1 522.1.3 522.1.3 522.2.1 522.6.1 522.8.1 522.1, 522.3, 522.3.3. 522.4. 522.4.2, 522.5, 522.6, 522.6.2, 522.7, 522.7.1,522.8, 522.9, 522.9.1, 522.10,522.10.1, 5
19、22.11, 522.11.1. 522.12,522.12.2,522.13,522.13.1,522.14.522.14.1,522.14.2. Delete all Environnement Code references and references to Clauses of Section 321. Second line - Add afer the highest : or the lowest Add the new following paragraph Where cables having different temperature ratings are insta
20、lled in the same enclosure, the temperature rating of the cable system is taken to be the lowest temperature rating of all the CableS. Read : In order to avoid the effects of heat from external sources, one or more of the fOllOWng . Add at the end of lhe paragraph : During installation. use and main
21、tenance. First line - replace : prevent by avoid Page 5 HD 384.5.52 S1:1995 522.8.1.7 Add at the end of the paragraph : Except for wiring systems in ceilings or in floors which can fdlow the shortest practical route. 522.8.1.9 Add a new paragraph : Cable supports and enclosures shall not have sharp
22、edges. 524.2 First sentence, read : The neutral conductor, if any, shall have a cross-sectional area not less than the phase conductor. Table 52 J Last column - line 2 Replace 2.5 by 16 Last column, lines 5 and 6 Add (see note 4) and add at the bottom of the table 4 special requirements for ELV ligh
23、ting circuits are under consideration. 526.2 Note : add at the end of the note : and temperature rise under fault conditions. 527.1.1 end of the paragraph replace 522 by 527. 527.1.3 Second line, add after in other IEC standards : (e IEC 1084-1 and CLC/rC 113 documents). 527.2.4 Second line, add aft
24、er IEC 61 4 : and IEC 1084-1. 527.2.6 Replace 527.2.3 by 527.2.2 527.5.1 First line, add after inspected : at an appropriate time during erection. Page 6 HD 384.5.52 S1:1995 Annex ZA (normative) Normative references to international publications with their corresponding European publications This Ha
25、rmonization Document incorporates by dated 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 publi
26、cations apply to this Harmonization Document 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
27、 (mod), the relevant ENIHD applies. Publication Year IEC 332-1 1979 IEC 332-3 1992 JEC 364-1 1992” IEC 364-3 1993 (mod) IEC 364-4-473 1977 (mod) IEC 364-5-523 1983 (modi IEC 439-2 1987 (mod) IEC 529 1989 IEC 614 series Tests on electric cables under fire conditions Part 1 : Test on a single vertical
28、 insulated wire or cable Pan 3: Tests on bunched wires or cables Electrical installations of buildings Part 1 : Scope, object and fundamental principles Part 3: Assessment of general characteristics Part 4: Protection for safety Chapter 47: Application of protective measures for safety Section 473:
29、Measures of protection against overcurrent Part 5: Selection and erection of electrical equipment - Chapter 52: Wiring systems Section 523: Current-carrying capacities Low-voltage switchgear and controlgear assemblies Part 2: Particular requirements for busbar trunking systems (busways) Degrees of p
30、rotection provided by enclosures IIP Code) Specification for conduits for electrical installations EN/HD - Year HD405.1 S1 1983 HD 405.3 S1 1993 HD 384.3 S2 1995 HD 384.4.473 S1 1980 HD 384.5.523 SI 1991 EN 60439-2 1993 EN 60529 1991 + com. May 1993 1) IEC 364-1:1972 is harmonized as HD 384.1 S1:197
31、9. 2) EN 60439-2 includes A1:1991 to IEC 439-2. Page 7 HD 384.5.52 S1:1995 Publication Year IEC 1084-1 1991 IEC 1200-52 1993 IS0 834 1975 Veaf EN/HD Cable trunking and ducting systems for electrical installations Part 1 : General requirements Electrical installation guide Part 52: Selection and erec
32、tion of electrical equipment - Wiring systems Fire-resistance tests Elements of building construction Page 8 HD 384.5.52 S1:1995 c ANNEX ZB (Nonnative) SPECIAL NATIONAL CONDITIONS Special national condition : National characteristic or practice that cannot be changed even over a long period, e.g. cl
33、imatic conditions, electrical earthing conditions. If it affects harmonization, it fms part of the European Standard or Harmonization Document. For the countries in which the relevant special national conditions apply these provisions are nonnative. for other countries they are informative. GERMANY
34、Flat webbed house wires in accordance with DIN VDE 0250 Part 201 may be used if the following requirements are met: a) Flat webbed house wires according to DIN VOE 0250 Part 201 (NYIF, NYIFY) may only be installed in dry rooms and only in or under plaster. They shall be covered with piaster along th
35、eir entire length. NOTE : The use of flat webbed house wires may be restricted in special specifications. b) If flat webbed house wires are installed in cavities in ceilings or walls consisting of concrete, stone or similar c) Even when covered with plaster, flat webbed house wires may not be laid o
36、n combustible construction d) Flat webbed house wires shall not be bunched. Collecting flat webbed house wires together at the inlet points e) Flat webbed house wires may only be fixed using means and methods which will ensure that the insulation is non-combustible material, it is not necessary to c
37、over them with piaster in accordance with item a). materials (see DIN 4102 Part l), e.g. wood. of electrical equipment, e.g. distribution boards, is not considered as bunching. not damaged or deformed. NOTE : Means for fixing without damage are, e.g. : - gypsum plaster, or - clamps matching the shap
38、e of the wires and made of insulating material or of metal with insulating layer, or - sticking, or - nailing with suitable nails with insulating washers. 9 Flat webbed house wires shall not be installed under plaster board unless these boards are attached entirely g) Flat webbed house wires shall n
39、ot be installed immediately on or under wire netting, metal mesh or similar. h) Flat webbed house wires may only be joined in installation boxes in accordance with DIN VDE 0606 Part i with plaster. made of insulating material. UNITED KINGDOM a) Whereas the safety of the circuit is detetmined by the
40、earth fault loop impedance, a reduced cross-section circuit protective conductor incorporated in ie ring final circuits is in widespread use in domestic, commercial and small industrial installations; b) Cables have been designed specifically for use with this type of Circuit and are contained in Br
41、itish National Standard BS 6004 Tables 5 and 6, “PVC insulated, PVC sheathed cable with circuit protective conductor, 300/500 V, single core, flat twin and 3 core“ and in BS 7211 Table 7 Thermosetting insulated, single core, fiat twin and Score sheathed cables with circuit protective condudor, 300/500V“; c) The cables shall be used in accordance With BS 7540 Guide to use of cables with a voltage not exceeding 450/750 V“ and British Standard BS 7671 “Requirements for Electncal Installations“.
