1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsWB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1Cable trunking systemsand cable ductingsystems for electricalinstallations Part 2-2: Particularrequirements for c
2、abletrunking systems and cableducting systems intended formounting underfloor,flushfloor, or onfloorBS EN 50085-2-2:2008NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LANational forewordThis British Standard is the UK implementation of EN 50085-2-2:2008.The UK participation in it
3、s preparation was entrusted to TechnicalCommittee PEL/213, Cable management.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct a
4、pplication. BSI 2008ISBN 978 0 580 58291 2ICS 29.120.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on Amendments issued since publicationAmd. No. Date Text affect
5、edBRITISH STANDARDBS EN 50085-2-2:200831 January 2009. EUROPEAN STANDARD EN 50085-2-2 NORME EUROPENNE EUROPISCHE NORM November 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central
6、 Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50085-2-2:2008 E ICS 29.120.10 English version Cable trunking systems and cable ducting systems for electrical installations
7、- Part 2-2: Particular requirements for cable trunking systems and cable ducting systems intended for mounting underfloor, flushfloor, or onfloor Systmes de goulottes et systmes de conduits-profils pour installations lectriques - Partie 2-2: Rgles particulires pour les systmes de goulottes et systme
8、s de conduits-profils prvus pour tre monts en sous-sol, encastrs dans le sol, ou sur le sol Elektroinstallationskanalsysteme fr elektrische Installationen - Teil 2-2: Besondere Anforderungen fr Elektroinstallationskanalsysteme fr die Montage unterboden, bodenbndig, oder aufboden This European Standa
9、rd was approved by CENELEC on 2008-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concernin
10、g such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its
11、own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, It
12、aly, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 50085-2-2:2008EN 50085-2-2:2008 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 213, Cable
13、Management Systems. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50085-2-2 on 2008-10-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement
14、 (dop) 2009-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-10-01 This European Standard is a system standard for cable management products used for electro-technical purposes. It relates to the Council Directives on the approximation of laws
15、, regulations and administrative provisions of the Member States relating to Low Voltage Directive 2006/95/EC through consideration of the essential requirements of this directive. This European Standard is supported by separate standards to which references are made. This Part 2-2 is to be used in
16、conjunction with EN 50085-1:2005 “Cable trunking systems and cable ducting systems for electrical installations - Part 1: General requirements”. This Part 2-2 supplements or modifies the corresponding clauses of EN 50085-1:2005. Where a particular clause or subclause of Part 1 is not mentioned in th
17、is Part 2, that clause or subclause of Part 1 applies as far as it is reasonable. Where this Part 2 states “addition” or “replacement”, the relevant text of Part 1 is to be adapted accordingly. NOTE The following numbering system is used: subclauses, tables and figures that are additional to those i
18、n Part 1 are numbered starting from 101; additional annexes are lettered AA, BB, etc. _ BS EN 50085-2-2:2008 3 EN 50085-2-2:2008 Contents Page 1 Scope . 4 2 Normative references . 4 3 Definitions . 4 4 General requirements 5 5 General conditions for tests 5 6 Classification 5 7 Marking and documenta
19、tion . 6 8 Dimensions . 6 9 Construction . 6 10 Mechanical properties . 8 11 Electrical properties . 12 12 Thermal properties . 12 13 Fire hazard 12 14 External influences 12 15 Electromagnetic compatibility 13 Annex A (informative) Types of Cable Trunking Systems (CTS) and Cable Ducting Systems (CD
20、S) 27 Annex B (informative) A-deviations . 28 Annex C (normative) CTS/CDS IK code 28 Annex AA (normative) Mechanical load tests 29 Bibliography 31 Figures Figure 101 Types and application of CTS/CDS for underfloor, flushfloor or onfloor installations . 14 Figure 102 Examples of trunking and ducting
21、installations . 15 Figure 103 Example of underfloor embedded CDS according to 3.101 16 Figure 104 Example of flushfloor CTS according to 3.102 17 Figure 105 Example of onfloor CTS according to 3.103 18 Figure 106 Principles for arrangement 19 Figure 107 Examples for arrangement 19 Figure 108 Load te
22、st set-up for CTS/CDS in accordance with 10.5.103 . 23 Figure 109 Load test set-up for CTS/CDS in accordance with 10.5.104 . 26 Table Table AA.1 Mechanical load tests . 29 BS EN 50085-2-2:2008EN 50085-2-2:2008 4 1 Scope Replacement: This European Standard specifies requirements and tests for cable t
23、runking systems (CTS) and cable ducting systems (CDS) intended for the accommodation, and where necessary for the electrically protective separation, of insulated conductors, cables and possibly other electrical equipment in electrical and/or communication systems installations. The maximum voltage
24、of these installations is 1 000 V a.c. and 1 500 V d.c. These systems are intended for mounting underfloor, flushfloor or onfloor. This standard does not apply to CTS/CDS which are intended to be fixed to the wall and supported by the floor. This standard does not apply to conduit systems, cable tra
25、y systems, cable ladder systems, power track systems or equipment covered by other standards. This standard shall be used in conjunction with EN 50085-1:2005, Cable trunking systems and cable ducting systems for electrical installations Part 1: General requirements, which is referred to in this docu
26、ment as Part 1. 2 Normative references This clause of Part 1 is applicable except as follows: Add the following normative references: EN 60068-2-60 1996 Environmental testing Part 2: Tests - Test Ke: Flowing mixed gas corrosion test (IEC 60068-2-60:1995) EN 60068-2-75 1997 Environmental testing Part
27、 2-75: Tests - Test Eh: Hammer tests (IEC 60068-2-75:1997) 3 Definitions This clause of Part 1 is applicable except as follows: 3.1 Replace the note by: NOTE Different types of CTS are shown in Figure 101 and explained in Clause A.2. 3.2 Replace the note by: NOTE Different types of CDS are shown in
28、Figure 101 and explained in Clause A.2. 3.3 Add: f) service unit Replace the note by: NOTE A system does not necessarily include all system components a) to f). Different combinations of system components may be used. BS EN 50085-2-2:2008 5 EN 50085-2-2:2008 Additional subclauses: 3.101 underfloor C
29、TS/CDS CTS/CDS whose components, except access units and service units, are intended to be mounted within or under a floor and in normal use are not exposed to traffic loads (Figures 102a), 102c) and 103) 3.102 flushfloor CTS/CDS CTS/CDS whose components, except access units and service units, are i
30、ntended to be mounted flush such that the height above the upper level of the floor covering is not more than 4 mm. The upper surface is considered to be exposed to traffic loads (Figures 102b) and 104) 3.103 onfloor CTS/CDS CTS/CDS whose components are intended to be mounted on a floor such that th
31、e height above the upper level of the floor covering is greater than 4 mm. The upper surface is considered to be exposed to traffic loads (Figures 102d) and 105) 3.104 access unit system component intended to provide access to insulated conductors or cables 3.105 service unit system component intend
32、ed for incorporation of one or more apparatus either directly or by means of one or more apparatus mounting devices 3.106 service unit, when not in use service unit which has no cables connected to electrical equipments 3.107 service unit, when in use service unit which has cables connected to elect
33、rical equipments 4 General requirements This clause of Part 1 is applicable. 5 General conditions for tests This clause of Part 1 is applicable. 6 Classification This clause of Part 1 is applicable except as follows: Additional subclauses: 6.101 According to floor treatment 6.101.1 CTS/CDS for dry-t
34、reatment of floor 6.101.2 CTS/CDS for wet-treatment of floor when the service unit is not in use 6.101.3 CTS/CDS for wet-treatment of floor when the service unit is in use BS EN 50085-2-2:2008EN 50085-2-2:2008 6 6.102 According to resistance to vertical load applied through small surface area 6.102.
35、1 CTS/CDS for 500 N 6.102.2 CTS/CDS for 750 N 6.102.3 CTS/CDS for 1 000 N 6.102.4 CTS/CDS for 1 500 N 6.102.5 CTS/CDS for 2 000 N 6.102.6 CTS/CDS for 2 500 N 6.102.7 CTS/CDS for 3 000 N 6.103 Optional classification according to resistance to vertical load applied through large surface area 6.103.1
36、CTS/CDS for 2 000 N 6.103.2 CTS/CDS for 3 000 N 6.103.3 CTS/CDS for 5 000 N 6.103.4 CTS/CDS for 10 000 N 6.103.5 CTS/CDS for 15 000 N 7 Marking and documentation This clause of Part 1 is applicable except as follows: Additional subclauses: 7.101 Access units and service units of systems classified a
37、ccording to 6.101.1 shall be marked that they are suitable for dry treatment of floor only. The marking shall be visible by the user which may be achieved by opening the cover. NOTE This marking may be in the form of text or graphic. 7.102 Service units shall be marked with a warning about the poten
38、tial damage to electrical accessories by closing the cover. The marking shall be visible by the user which may be achieved by opening the cover. NOTE This marking may be in the form of text or graphic. 7.103 Compliance with 7.101 and 7.102 is checked by inspection. 8 Dimensions This clause of Part 1
39、 is applicable except as follows: Addition: There are no dimensions requirements. 9 Construction This clause of Part 1 is applicable except as follows: Additional subclauses: 9.101 Access covers of underfloor, flushfloor and onfloor CTS/CDS, which in normal use are subjected to external mechanical l
40、oads, shall resist movement and unintentional opening. Compliance is checked by inspection and by the tests of 10.5. BS EN 50085-2-2:2008 7 EN 50085-2-2:2008 9.102 Service units installed flushfloor shall protect the installed electrical apparatus and the plug from direct impact when in use. This pr
41、otection shall be effective and shall not cause damage to the outgoing cable. Compliance is checked by inspection and by the tests of 10.3. 9.103 It shall be possible to securely fix: - service units to the system; - electrical apparatus to the service units. Compliance is checked by the tests of 10
42、.3 and 10.5.1. 9.104 When the service unit is not in use, it shall be possible to close openings intended for the passage of cables. Openings, when in use, in underfloor and flushfloor CTS/CDS, for the passage of cables, need not be closed if one of its dimensions is less than 20 mm in one direction
43、. Compliance is checked by inspection and measurement. 9.105 Underfloor and flushfloor CTS/CDS which in normal use are embedded in screed material shall be protected against ingress of the screed material. Openings leading to the interior of underfloor and flushfloor CTS/CDS which in normal use, are
44、 located below the upper level of the floor without covering, shall not be wider than 7 mm in one direction. Compliance is checked by inspection and measurement. NOTE 1 The dimensioning of the maximum width of the clear opening is based on cementitious screeds according to EN 13813 and the definitio
45、ns of grain size 0-8 according EN 12620 for cementitious screeds. NOTE 2 The cementitious screed is in accordance with EN 13813 strength class F4 and is prepared according to the screed manufacturers instructions. NOTE 3 When using screed materials with consistencies other than those described in No
46、tes 1 and 2, the manufacturers instructions are used. 9.106 CTS/CDS declared according to 6.101.2 and 6.101.3 shall avoid water coming into contact with insulated conductors and live parts during wet-treatment of floor by one or a combination of the following methods which may vary within the system
47、: - method 1: ensuring by design that water does not come into contact with insulated conductors and live parts when the water level is 10 mm above the upper level of the floor covering; - method 2: providing an IP rating not less than IPX4; - method 3: providing manufacturers instructions which req
48、uire that insulated conductors and live parts are positioned not less than 10 mm above the upper level of the floor covering. For method 1 compliance is checked by measurement. For method 2 compliance is checked by the test of 14.1.2. For method 3 compliance is checked by inspection. 9.107 Access co
49、ver of service unit, if any, shall withstand repeated opening and closing as in normal use. Compliance is checked by 100 cycles of opening and closing of the access cover. After the test there shall be no damage to impair the further use of the access cover. BS EN 50085-2-2:2008EN 50085-2-2:2008 8 9.108 Additional requirements are under consideration for service units intended to be installed onfloor with reference to EN 50085-2-4 1). 10 Mechanical properties This clause of Par
